David's Astronomy Pages (Deep Sky) Supernovae - 2021

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SN 2022

This page documents observations and images of supernova with discovery dates in 2021. (Note: Some images may roll over into the following year)
Supernovae (2021)         Name, type, discovery date, host galaxy
SN 2021J  - Type Ia Supernova (2021-01-01) in NGC 4414 SN 2021K - Type Ia Supernova (2021-01-01) in MCG +6-30-84 / PGC 48870 SN 2021pc - Type Ia Supernova (2021-01-07) in UGC 784 SN 2021nv - Type Ia Supernova (2021-01-07) in UGC 1436 SN 2021xn - Type Ia Supernova (2021-01-10) in PGC 6041 SN 2021apf - Type Ia Supernova (2021-01-16) in CGCG 056-009 SN 2021ass - Type II Supernova  (2021-01-18) in NGC 684 SN 2021bge - Type II Supernova (2021-01-27) in UGC 2505 SN 2021biz - Type Ia Supernova (2021-01-29) in NGC 4227 SN 2021bjy - Type Ia Supernova (2021-01-30) in CGCG 264-017 SN 2021bkw - Type Ia Supernova (2021-01-31) in LEDA 1634284 SN 2021bug - Type II Supernova (2021-02-04) in NGC 4533  (Attempt) SN 2021cwc - Type Ia Supernova (2021-02-13) in UGC 3502 SN 2021dnn - Type Ia Supernova (2021-02-22) in NGC 304 SN 2021dwg - Type Ic Supernova (2021-02-27) in IC 992 SN 2021foa - Type IIn Supernova (2021-03-15) in IC 863 SN 2021fxy - Type Ia Supernova (2021-03-17) in NGC 5018 SN 2021gmh - Type Ia Supernova (2021-03-19) in SDSS J223433.36+340019.1 SN 2021gno - Type II Supernova (2021-03-20) in NGC 4165 SN 2021gmj - Type II Supernova (2021-03-20) in NGC 3310 (Herschel IV-60) SN 2021hcz - Type Ia Supernova (2021-03-24) in NGC 1400 SN 2021hiz - Type Ia Supernova  (2021-03-30) in IC 3322A AT2021kni - Candidate Supernova (2021-04-26) in NGC 7767 SN 2021tyf - Type II Supernova (2021-07-24) in UGC 9479  (Attempt) SN 2021ucg - Type II Supernova (2021-07-25) in UGC 12188 SN 2021ukt - Type Ia Supernova (2021-07-31) in UGC 505 SN 2021umh - Type Ia Supernova  (2021-08-01) in LEDA 2204848 (Attempt) SN 2021usd - Type Ia Supernova (2021-08-02) in CGCG 200-019  (Attempt) SN 2021vau - Type Ia Supernova (2021-08-04) in UGC 3240 SN 2021vtl - Type Ia Supernova (2021-08-11) in NGC 940 SN 2021wcu - Type Ia Supernova (2021-08-13) in GALEXASC J072024.60+325058.8 SN 2021wad - Type Ia Supernova (2021-08-15) in NGC 4896 SN 2021win - Type Ia Supernova (2021-08-18) in WISEA J050619.12+223047.4 (Attempt) SN 2021wqi - Type Ia Supernova (2021-08-20) in NGC 5513 SN 2021wkv - Type Ia Supernova (2021-08-20) in NGC 6184 SN 2021wuf - Type Ia Supernova (2021-08-23) in NGC 6500 SN 2021wvy - Type II Supernova (2021-08-23) in UGC 4002 SN 2021wvw - Type II Supernova  (2021-08-24) in UGC 2605 SN 2021xgx - Type Ia Supernova (2021-08-29) in UGC 10607 SN 2021yok -  Type II Supernova (2021-09-10) in UGC 3873 SN 2021zby - Type II Supernova (2021-09-17) in NGC 1166 SN 2021zju - Type Ib Supernova (2021-09-24) in NGC 9 SN 2021aalq - Type II Supernova (2021-10-03) in WISEA J095040.62+475756.9 SN 2021aazm - Type II Supernova (2021-10-09) in UGC 235 SN 2021abcw - Type Ibn Supernova (2021-10-11) in UGC 5751 SN 2021abjr - Type Ia Supernova (2021-10-13) in WISEA J102139.24+062408.7 SN 2021abkm - Type II Supernova (2021-10-14) in NGC 6627 SN 2021abko - Type Ia Supernova (2021-10-14) in IC 190 SN 2021abzd - Type Ia 91bg-like (2021-10-22) in NGC 233 (Attempt) SN 2021aceu - Type Ia Supernova (2021-10-22) in UGC 811 SN 2021aclv (?) - Type Ia Supernova (2021-10-30) in NGC 327 SN 2021adpe - Type Ia Supernova (2021-11-04) in UGC 8975 SN 2021aefs - Type II Supernova (2021-11-09) in NGC 3836 SN 2021afkk - Type II Supernova (2021-11-25) in UGC 1971 SN 2021afsj - Type Ia Supernova (2021-11-29) in UGC 4671 SN 2021agco - Type II Supernova (2021-12-05) in UGC 3855 SN 2021agdd - Type Ia Supernova (2021-12-07) in NGC 7446 SN 2021aggu - Type Ia Supernova (2021-12-12) in NGC 2761 SN 2021agpf - Type Ia Supernova (2021-12-26) in NGC 5732 SN 2021agpj - Type Ia Supernova (2021-12-27) in 2MFGC 03677 SN 2021ahot - Type Ia Supernova (2021-12-30) in LEDA 2156782

SN 2021J  - Type Ia Supernova (discovered 2021-01-01) in NGC 4414

NGC 4414 (Coma Berenices) SN 2021J (Type Ia, z=0.0024) discovered 2021/01/01.489 UT by ZTF Alias: ZTF21aaabvit Mag +13.97 at discovery  (Rochester Supernova site | Jean-Claude Merlin image | )

NGC 4414 with SN 2021J - 2021-01-12 (T+10.7d)

Annotated CCD Image  (50% size, square root scale) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2021-01-12 05:30 UT (#848177-81) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

SN 2021J  - Image sequence  T+7.5d to T+24.7d (SN discovery, T = 2021-01-01.489)

NGC 4414 with SN 2021J - 2021-01-08 (T+7.5) Image below (2021-01-08.952) was taken 7.5 days after discovery of SN 2021J SN is shown by white cross hairs.  Magnitude ? Taken through poor transparency sky (cf. with later image taken on 2021-01-12)

Annotated CCD Image  (125% size, square root scale, cropped) 180s exposure (single frame), 3x3 binning, C Filter 2021-01-08 22:52 UT (#847157) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

NGC 4414 with SN 2021J - 2021-01-12 (T+10.7d) Image below (2021-01-12.223) was taken 10.7 days after discovery of 2021J SN is shown by white cross hairs.  Magnitude ?

Annotated CCD Image  (125% size, log scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2021-01-12 05:30 UT (#848177-81) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

NGC 4414 with SN 2021J - 2021-01-17 (T+15.7d) Image below (2021-01-17.219) was taken 15.7 days after discovery of 2021J SN is shown by white cross hairs.  Magnitude ?

Annotated CCD Image  (125% size, log scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2021-01-17 05:25 UT (#850314-18) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

NGC 4414 with SN 2021J - 2021-01-18 (T+16.7d) Image below (2021-01-18.147) was taken 16.7 days after discovery of 2021J SN is shown by white cross hairs.  Magnitude ?

Annotated CCD Image  (125% size, log scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2021-01-18 03:41 UT (#851055-59) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

NGC 4414 with SN 2021J - 2021-01-19 (T+17.6d) Image below (2021-01-19.056) was taken 17.6 days after discovery of 2021J SN is shown by white cross hairs.  Magnitude ?

Annotated CCD Image  (125% size, log scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2021-01-19 01:29 UT (#852067-71) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

NGC 4414 with SN 2021J - 2021-01-23 (T+21.7d) Image below (2021-01-23.190) was taken 21.7 days after discovery of 2021J SN is shown by white cross hairs.  Magnitude ?

Annotated CCD Image  (125% size, log scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2021-01-23 04:43 UT (#853316-20) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

NGC 4414 with SN 2021J - 2021-01-24 (T+22.6d) Image below (2021-01-24.092) was taken 22.6 days after discovery of 2021J SN is shown by white cross hairs.  Magnitude ?

Annotated CCD Image  (125% size, log scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2021-01-24 02:22 UT (#854311-15) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

NGC 4414 with SN 2021J - 2021-01-26 (T+24.7d) Image below (2021-01-26.142) was taken 24.7 days after discovery of 2021J SN is shown by white cross hairs.  Magnitude ?

Annotated CCD Image  (125% size, log scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2021-01-26 03:34 UT (#855223-27) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

NGC 4414 - Earlier Image (2006)

CCD Image  (100% size, linear scale) 2 x 2 min exposure (average combine), 2x2 binning, C Filter  2006-04-23 22:58h UT (#116099-100)) 8" LX200 Classic + ST-7E

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SN 2021K - Type Ia Supernova (discovered 2021-01-01) in MCG +6-30-84 / PGC 48870

MCG +6-30-84 / PGC 48870 with SN 2021K (Canes Venatici) MCG +6-30-84 / Alias SN 2021K (Type: Ia) discovered 2021/01/01.490 UT by ZTF  Alias: ZTF21aaabvjk, Gaia21acj  (Rochester Supernova site | ZTF observations | )

MCG +6-30-84 / PGC 48870 with SN 2021K - 2021-01-13 (T+11.8d) MCG +6-30-84 / PGC 48870 (catalog mag +15.5) with other galaxies in view: PGC 48887 (catalog +14.7), PGC 2044865 (catalog mag +17.1),  PGC 214152 (catalog mag +17.2)

Annotated CCD Image  (50% size, square root scale) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2021-01-13 06:51 UT (#9123-27) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

MCG +6-30-84 w/ SN 2021K - 2021-01-13 (T+11.8d) Image contrast adjusted to highlight the stellar-looking object SN 2021K (shown by white cross hairs)

Annotated CCD Image  (125% size, square root scale, cropped) Contrast adjusted Image details as above

SN 2021K  - Image sequence  T+11.8d to T+54.7d (SN discovery, T = 2021-01-01.490)

MCG +6-30-84 w/ SN 2021K - 2021-01-13 (T+11.8d) Image below (2021-01-13.279) was taken 11.8 days after discovery of 2021K SN is shown by white cross hairs.  Measured magnitude +14.6 (SN + Galaxy Centre) vs  Host Galaxy Catalog Mag +15.5

Annotated CCD Image  (125% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2021-01-13 06:51 UT (#849123-27) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

MCG +6-30-84 w/ SN 2021K - 2021-01-17 (T+15.7d) Image below (2021-01-17.203) was taken 15.7 days after discovery of 2021K SN is shown by white cross hairs.  Measured magnitude +14.6, SN + Galaxy Centre (flat)  vs  Host Galaxy Catalog Mag +15.5

Annotated CCD Image  (125% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2021-01-17 05:02 UT (#850305-09) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

MCG +6-30-84 / PGC 48870 with SN 2021K - 2021-01-19 (T+17.8d) Image below (2021-01-19.256) was taken 17.8 days after discovery of 2021K SN is shown by white cross hairs.  Measured magnitude +14.7, SN + Galaxy Centre  (fading) vs  Host Galaxy Catalog Mag +15.5

Annotated CCD Image  (125% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2021-01-19 06:18 UT (#852199-203) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

MCG +6-30-84 / PGC 48870 with SN 2021K - 2021-01-26 (T+24.7d) Image below (2021-01-26.216) was taken 24.7 days after discovery of 2021K SN is shown by white cross hairs.  Measured magnitude +15.1, SN + Galaxy Centre (brightening) vs  Host Galaxy Catalog Mag +15.5

Annotated CCD Image  (125% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2021-01-26 05:20 UT (#855278-82) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

MCG +6-30-84 / PGC 48870 with SN 2021K - 2021-02-25 (T+54.7d) Image below (2021-02-25.208) was taken 54.7 days after discovery of 2021K SN is shown by white cross hairs.  Measured magnitude +15.2, SN + Galaxy Centre (fading) vs  Host Galaxy Catalog Mag +15.5

Annotated CCD Image  (125% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2021-02-25 05:10 UT (#862093-97) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

MCG +6-30-84 with SN 2021K - 2021-03-22 (T+79.7d) Image below (2021-03-22.140) was taken 79.7 days after discovery of 2021K SN is shown by white cross hairs.  Measured magnitude +15.29 (SN + Galaxy Centre) vs  Host Galaxy Catalog Mag +15.29

Annotated CCD Image  (125% size, square root scale, cropped) 180s exposure (single frame), 3x3 binning, C Filter 2021-03-22 03:25 UT (#873098) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

MCG +6-30-84 with SN 2021K - 2021-03-30 (T+87.5d) Image below (2021-03-30.034) was taken 87.5 days after discovery of 2021K SN is shown by white cross hairs.  Measured magnitude +15.29 (SN + Galaxy Centre) (steady) vs  Host Galaxy Catalog Mag +15.29

Annotated CCD Image  (125% size, square root scale, cropped) 4 x 180s exposure (average combine), 3x3 binning, C Filter 2021-03-30 00:58 UT (#877102-06) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

MCG +6-30-84 / PGC 48870 with SN 2021K - 2022-01-02 (T+365.7d) Image below (2022-01-02.224) was taken 365.7 days after discovery of 2021K Position of earlier SN (now faded) is shown by white cross hairs.  Measured magnitude +15.5, SN + Galaxy Centre (fading) vs  Host Galaxy Catalog Mag +15.5

Annotated CCD Image  (125% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2022-01-02 05:33 UT (#947273-77) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

MCG +6-30-84 / PGC 48870 with SN 2021K - 2022-02-05 (T+399.6d) Image below (2022-02-05.099) was taken 399.6 days after discovery of 2021K Position of earlier SN (now faded) is shown by white cross hairs.

Annotated CCD Image  (125% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2022-02-05 02:33 UT (#963196-200) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

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SN 2021pc - Type Ia Supernova (discovered 2021-01-07) in UGC 784

UGC 784 with SN 2021pc Cetus) SN 2021pc (Type: Ia) discovered 2021/01/07.160 UT by ZTF Magnitude +18.3 at discovery Alias: ZTF21aabpszb, Gaia21adm  (Rochester Supernova site | TNS | )

UGC 784 with SN 2021pc - 2021-01-11 (T+4.7d) UGC 784 / PGC 4443 (catalog mag + 16.0) Other galaxies in same FOV:  PGC 1110475 (catalog mag + 16.8)

Annotated CCD Image  (50% size, square root scale) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2021-01-11 21:21 UT (#848043-47) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

SN 2021pc  - Image sequence  T+4.7d to T+264.0d (SN discovery, T = 2021-01-07.160)

UGC 784 with SN 2021pc - 2021-01-11 (T+4.7d) Image below (2021-01-11.883) was taken 4.7 days after discovery of SN 2021pc SN is shown by white cross hairs.  Measured Magnitude +16.3

Annotated CCD Image  (125% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2021-01-11 21:21 UT (#848043-47) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

UGC 784 with SN 2021pc - 2021-01-12 (T+5.7d) Image below (2021-01-12.815) was taken 5.7 days after discovery of 2021pc SN is shown by white cross hairs.  Measured Magnitude +16.2

Annotated CCD Image  (125% size, square root scale, cropped) 3 x 180s exposure (average combine), 3x3 binning, C Filter 2021-01-12 19:42 UT (#849033-37) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

UGC 784 with SN 2021pc - 2021-01-16 (T+9.7d) Image below (2021-01-16.838) was taken 9.7 days after discovery of SN 2021pc SN is shown by white cross hairs.  Measured Magnitude +15.7

Annotated CCD Image  (125% size, square root scale, cropped) 4 x 180s exposure (average combine), 3x3 binning, C Filter 2021-01-16 20:17 UT (#850067-70) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

UGC 784 with SN 2021pc - 2021-01-23 (T+16.6d) Image below (2021-01-23.756) was taken 16.6 days after discovery of 2021pc SN is shown by white cross hairs.  Measured Magnitude +15.4

Annotated CCD Image  (125% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2021-01-23 18:18 UT (#854003-07) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

UGC 784 with SN 2021pc - 2021-02-01 (T+25.6d) Image below (2021-02-01.786) was taken 25.6 days after discovery of 2021pc SN is shown by white cross hairs.  Measured Magnitude +15.8

Annotated CCD Image  (125% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2021-02-01 19:02 UT (#857020-24) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

UGC 784 with SN 2021pc - 2021-02-22 (T+46.6d) Image below (2021-02-22.797) was taken 46.6 days after discovery of 2021pc Very poor quality image. SN is shown by white cross hairs.  Unable to measure SN magnitude

Annotated CCD Image  (125% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2021-02-22 19:16 UT (#861004-08) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

UGC 784 with SN 2021pc - 2021-09-28 (T+264.0d) Image below (2021-09-28.122) was taken 264.0 days after discovery of 2021pc No sign of earlier supernova  SN is presumed to have faded and is no longer visible

Annotated CCD Image  (125% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2021-09-28 03:04 UT (#917272-76) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

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SN 2021nv - Type Ia Supernova (discovered 2021-01-07) in UGC 1436

UGC 1436 with SN 2021nv (Aries) SN 2021nv (Type: Ia) discovered 2021/01/07.263 UT by ATLAS Magnitude +17.8 at discovery Alias: ATLAS21aqr  (Rochester Supernova site | Claudio Balcon image | )

UGC 1436 with SN 2021nv - 2021-01-11 (T+4.7d)

Annotated CCD Image  (50% size, square root scale) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2021-01-11 21:42 UT (#848050-54) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

UGC 1436  with adjacent galaxies UGC 1436 / PGC 7371 (catalog mag + 17.0) PGC 7362 (catalog mag + 16.3),  PGC 7391  (catalog mag ?)

Annotated CCD Image  (100% size, square root scale, cropped) Image details as above

SN 2021nv  - Image sequence  T+4.6d to T+50.6d (SN discovery, T = 2021-01-07.263)

UGC 1436 with SN 2021nv - 2021-01-11 (T+4.6d) Image below (2021-01-11.898) was taken 4.6 days after discovery of SN 2021nv SN is shown by white cross hairs.  Measured Magnitude +17.1

Annotated CCD Image  (150% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2021-01-11 21:42 UT (#848050-54) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

UGC 1436 with SN 2021nv - 2021-01-12 (T+5.5d) Image below (2021-01-12.768) was taken 5.5 days after discovery of 2021nv SN is shown by white cross hairs.  Measured Magnitude +16.8 (brightening)

Annotated CCD Image  (150% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2021-01-12 18:36 UT (#849011-15) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

UGC 1436 with SN 2021nv - 2021-01-16 (T+9.5d) Image below (2021-01-16.810) was taken 9.5 days after discovery of 2021nv SN is shown by white cross hairs.  Measured Magnitude +16.8 (brightening)

Annotated CCD Image  (150% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2021-01-16 19:35 UT (#850037-41) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

UGC 1436 with SN 2021nv - 2021-01-18 (T+11.7d) Image below (2021-01-18.965) was taken 11.7 days after discovery of 2021nv SN is shown by white cross hairs.  Measured Magnitude +16.3 (brightening)

Annotated CCD Image  (150% size, square root scale, cropped) 4 x 180s exposure (average combine), 3x3 binning, C Filter 2021-01-18 23:20 UT (#852012-16) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

UGC 1436 with SN 2021nv - 2021-01-23 (T+16.6d) Image below (2021-01-23.876) was taken 16.6 days after discovery of 2021nv SN is shown by white cross hairs.  Measured Magnitude +16.0 (near peak)

Annotated CCD Image  (150% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2021-01-23 21:12 UT (#854119-23) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

UGC 1436 with SN 2021nv - 2021-01-25 (T+18.6d) Image below (2021-01-25.835) was taken 18.6 days after discovery of 2021nv SN is shown by white cross hairs.  Measured Magnitude +16.1 (fading)

Annotated CCD Image  (150% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2021-01-25 20:12 UT (#855036-40) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

UGC 1436 with SN 2021nv - 2021-02-01 (T+25.6d) Image below (2021-02-01.829) was taken 25.6 days after discovery of 2021nv SN is shown by white cross hairs.  Measured Magnitude +16.3 (fading)

Annotated CCD Image  (150% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2021-02-01 20:03 UT (#857064-68) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

UGC 1436 with SN 2021nv - 2021-02-10 (T+34.6d) Image below (2021-02-10.869) was taken 34.6 days after discovery of 2021nv SN is shown by white cross hairs.  Measured Magnitude +16.9 (fading)

Annotated CCD Image  (150% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2021-02-10 21:02 UT (#858029-33) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

UGC 1436 with SN 2021nv - 2021-02-22 (T+46.6d) Image below (2021-02-22.855) was taken 46.6 days after discovery of 2021nv SN position is shown by white cross hairs.  SN & UG 1436 barely visible above bright sky background

Annotated CCD Image  (150% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2021-02-22 20:40 UT (#861045-49) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

UGC 1436 with SN 2021nv - 2021-02-26 (T+50.6d) Image below (2021-02-26.816) was taken 50.6 days after discovery of 2021nv SN position is shown by white cross hairs   (fading)

Annotated CCD Image  (150% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2021-02-26 19:45 UT (#864012-16) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

UGC 1436 with SN 2021nv - 2021-02-27 (T+51.6d) Image below (2021-02-27.876) was taken 51.6 days after discovery of 2021nv SN position is shown by white cross hairs.

Annotated CCD Image  (150% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2021-02-27 21:12 UT (#865057-61) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

UGC 1436 with SN 2021nv - 2021-03-05 (T+57.6d) Image below (2021-03-05.874) was taken 57.6 days after discovery of 2021nv SN position is shown by white cross hairs.

Annotated CCD Image  (150% size, square root scale, cropped) 4 x 180s exposure (average combine), 3x3 binning, C Filter 2021-03-05 21:09 UT (#867040-43) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

UGC 1436 with SN 2021nv - 2021-03-13 (T+65.6d) Image below (2021-03-13.873) was taken 65.6 days after discovery of 2021nv SN not visible (poor sky conditions & SN fading)

Annotated CCD Image  (150% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2021-03-13 21:07 UT (#869019-23) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

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SN 2021xn - Type Ia Supernova (discovered 2021-01-10) in PGC 6041

SN 2021xn (Perseus) Faint Galaxy (PGC 6041, SDSS J013751.16+533958.8, catalog mag +16.1) with Type Ia Supernova [ Supernovae ] SN 2021xn (Type: Ia) discovered 2021/01/10.158 UT by ZTF Alias: ZTF21aacvhsc  (Rochester Supernova site | Claudio Balcon image  )

PGC 6041 with SN 2021xn - 2021-01-19 (T+8.9d) SN is indicated by white cross hairs.

Annotated CCD Image  (50% size, square root scale) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2021-01-19 02:16 UT (#852082-86) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

SN 2021xn  - Image sequence  T+8.9d to T+71.8d (SN discovery, T = 2021-01-10.158)

PGC 6041 with SN 2021xn - 2021-01-19 (T+8.9d) Image below (2021-01-19.088) was taken 8.9 days after discovery of 2021xn SN is shown by white cross hairs.  Magnitude ?

Annotated CCD Image  (150% size, log scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2021-01-19 02:16 UT (#852082-86) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

PGC 6041 with SN 2021xn - 2021-01-22 (T+12.6d) Image below (2021-01-22.762) was taken 12.6 days after discovery of 2021xn SN is shown by white cross hairs.  Measured Magnitude +15.6 (magnitude based on WCS link on cropped image using GSC stars) (too many stars for full frame WCS Link using UCAC stars)

Annotated CCD Image  (150% size, log scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2021-01-22 18:26 UT (#853015-19) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

PGC 6041 with SN 2021xn - 2021-01-25 (T+15.7d) Image below (2021-01-25.808) was taken 15.7 days after discovery of 2021xn SN is shown by white cross hairs.  Measured Magnitude +15.2 (brightening) (magnitude based on WCS link on cropped image using GSC stars) (too many stars for full frame WCS Link using UCAC stars)

Annotated CCD Image  (150% size, log scale, cropped) 2 x 180s exposure (average combine), 3x3 binning, C Filter 2021-01-25 19:29 UT (#855015-16) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

PGC 6041 with SN 2021xn - 2021-01-31 (T+21.6d) Image below (2021-01-31.801) was taken 21.6 days after discovery of 2021xn SN is shown by white cross hairs.  Measured Magnitude +15.7 (fading) (magnitude based on WCS link on cropped image using GSC stars) (too many stars for full frame WCS Link using UCAC stars)

Annotated CCD Image  (150% size, log scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2021-01-31 19:23 UT (#856012-16) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

PGC 6041 with SN 2021xn - 2021-02-01 (T+22.6d) Image below (2021-02-01.772) was taken 22.6 days after discovery of 2021xn SN is shown by white cross hairs.  Measured Magnitude +15.2 (brightening) (magnitude based on WCS link on cropped image using GSC stars) (too many stars for full frame WCS Link using UCAC stars)

Annotated CCD Image  (150% size, log scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2021-02-01 18:40 UT (#857012-16) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

PGC 6041 with SN 2021xn - 2021-02-11 (T+31.9d) Image below (2021-02-11.048) was taken 31.9 days after discovery of 2021xn SN is shown by white cross hairs.  Measured Magnitude +15.7 (fading) (magnitude based on WCS link on cropped image using GSC stars) (too many stars for full frame WCS Link using UCAC stars)

Annotated CCD Image  (150% size, log scale, cropped) 180s exposure (single frame), 3x3 binning, C Filter 2021-02-11 01:12 UT (#858168) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

PGC 6041 with SN 2021xn - 2021-02-16 (T+37.8d) Image below (2021-02-16.937) was taken 37.8 days after discovery of 2021xn SN is shown by white cross hairs.  Measured Magnitude +15.8 (fading) (magnitude based on WCS link on cropped image using GSC stars) (too many stars for full frame WCS Link using UCAC stars)

Annotated CCD Image  (150% size, log scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2021-02-16 22:38 UT (#859109-13) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

PGC 6041 with SN 2021xn -2021-02-25 (T+46.0d) Image below (2021-02-25.159) was taken 46.0 days after discovery of 2021xn SN is shown by white cross hairs.  Measured Magnitude ? (too many stars for full frame WCS Link using UCAC stars) Poor quality image

Annotated CCD Image  (150% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2021-02-25 03:58 UT (#862064-68) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

PGC 6041 with SN 2021xn - 2021-02-25 (T+46.8d) Image below (2021-02-25.926) was taken 46.8 days after discovery of 2021xn SN is shown by white cross hairs.  Measured Magnitude +16.3 SN (fading) (magnitude based on WCS link on cropped image using GSC stars with x3 scale, too many stars for full frame WCS Link using UCAC stars)

Annotated CCD Image  (150% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2021-02-25 22:22 UT (#863076-80) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

PGC 6041 with SN 2021xn - 2021-02-27 (T+48.7d) Image below (2021-02-27.891) was taken 48.7 days after discovery of 2021xn SN is shown by white cross hairs.  Measured Magnitude +16.3 (flat), Host +16.3 (magnitude based on WCS link on cropped image using GSC stars with x3 scale, too many stars for full frame WCS Link using UCAC stars)

Annotated CCD Image  (150% size, square root scale, cropped) 4 x 180s exposure (average combine), 3x3 binning, C Filter 2021-02-27 21:31 UT (#865064-67) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

PGC 6041 with SN 2021xn - 2021-03-11 (T+60.7d) Image below (2021-03-11.888) was taken 60.7 days after discovery of 2021xn No object is visible at SN's reported position (white circle) (image was taken under poor sky conditions with wind & poor seeing)

Annotated CCD Image  (150% size, square root scale, cropped) 3 x 180s exposure (average combine), 3x3 binning, C Filter 2021-03-11 21:25 UT (#868042-44) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

SN 2021xn - 2021-03-13 (T+62.8d) Image below (2021-03-13.980) was taken 62.8 days after discovery of 2021xn SN is shown by white cross hairs.

Annotated CCD Image  (150% size, square root scale, cropped) 4 x 180s exposure (average combine), 3x3 binning, C Filter 2021-03-13 23:41 UT (#869085-89) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

SN 2021xn - 2021-03-16 (T+65.8d) Image below (2021-03-16.944) was taken 65.8 days after discovery of 2021xn Position of earlier SN (indistinct) is shown by white cross hairs.

Annotated CCD Image  (150% size, square root scale, cropped) 4 x 180s exposure (average combine), 3x3 binning, C Filter 2021-03-16 22:50 UT (#871061-65) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

SN 2021xn - 2021-03-17 (T+66.7d) Image below (2021-03-17.895) was taken 66.7 days after discovery of 2021xn SN (indistinct) is shown by white cross hairs.  Poor quality image (developing cloud  / single frame )

Annotated CCD Image  (150% size, square root scale, cropped) 180s exposure (single frame), 3x3 binning, C Filter 2021-03-17 21:32 UT (#872018) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

SN 2021xn - 2021-03-22 (T+71.8d) Image below (2021-03-22.934) was taken 71.8 days after discovery of  2021xn Position of earlier SN (faded) is shown by white cross hairs.  SN has faded and is almost unrecognisable

Annotated CCD Image  (150% size, log scale, cropped) 4 x 180s exposure (average combine), 3x3 binning, C Filter 2021-03-22 22:35 UT (#874056-60) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

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SN 2021apf - Type Ia Supernova (discovered 2021-01-16) in CGCG 056-009

CGCG 056-009 with SN 2021apf (Ophiuchus) SN 2021apf (Type Ia, z=0.006531) discovered 2021/01/16.557 UT by ZTF Alias: ZTF21aafdxca  (Rochester Supernova site | Fabio Feijo image | )

CGCG 056-009 with SN 2021apf SN is shown by white cross hairs.  Measured magnitude +15.1 (SN + Galaxy Centre) vs  Host Galaxy Catalog Mag +15.5

Annotated CCD Image  (70% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2021-01-26 05:52 UT (#855294-98) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

CGCG 056-009 with SN 2021apf - 2021-01-26 (T+9.7d) Image below (2021-01-26.238) was taken 9.7 days after discovery of 2021apf SN is shown by white cross hairs.   Measured magnitude ?

Annotated CCD Image  (150% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2021-01-26 05:52 UT (#855294-98) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

CGCG 056-009 with SN 2021apf - 2021-03-06 (T+48.7d) Image below (2021-03-06.216) was taken 48.7 days after discovery of 2021apf SN is shown by white cross hairs.   Measured magnitude ? (fading)

Annotated CCD Image  (150% size, square root scale, cropped) 180s exposure (single frame), 3x3 binning, C Filter 2021-03-06 05:14 UT (#867170) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

CGCG 056-009 with SN 2021apf - 2021-03-12 (T+54.6d) Image below (2021-03-12.200) was taken 54.6 days after discovery of 2021apf SN is shown by white cross hairs.   Measured magnitude ? (unable to extract SN properties using CCDSoft/Sextractor, object too faint)

Annotated CCD Image  (150% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2021-03-12 04:57 UT (#868166-70) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

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SN 2021ass - Type II Supernova  (discovered 2021-01-18) in NGC 684

NGC 684 with SN 2021ass (Triangulum) Spiral Galaxy with Type II Supernova [ Supernovae ] SN 2021ass (Type: II) discovered 2021/01/18.145 UT by ZTF Alias: ZTF21aafepon  (Rochester Supernova site | Giancarlo Cortini image  )

NGC 684 with SN 2021ass - 2021-01-18 (T+0.8d)

Annotated CCD Image  (50% size, square root scale) 3 x 180s exposure (average combine), 3x3 binning, C Filter 2021-01-18 22:55 UT (#852004-07) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

SN 2021ass  - Image sequence  T+0.8d to 23.8d (SN discovery, T = 2021-01-18.145)

NGC 684 with SN 2021ass - 2021-01-18 (T+0.8d) Image below (2021-01-18.949) was taken 0.8 days after discovery of 2021ass SN is shown by white cross hairs.  Magnitude ?

Annotated CCD Image  (125% size, square root scale, cropped) 3 x 180s exposure (average combine), 3x3 binning, C Filter 2021-01-18 22:55 UT (#852004-07) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

NGC 684 with SN 2021ass - 2021-01-22 (T+4.7d) Image below (2021-01-22.885) was taken 4.7 days after discovery of 2021ass SN is shown by white cross hairs.  Magnitude ?

Annotated CCD Image  (125% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2021-01-22 21:23 UT (#853142-46) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

NGC 684 with SN 2021ass - 2021-01-23 (T+5.8d) Image below (2021-01-23.956) was taken 5.8 days after discovery of 2021ass SN is shown by white cross hairs.  Magnitude ? Relatively poor quality image due to bright sky background

Annotated CCD Image  (125% size, square root scale, cropped) 4 x 180s exposure (average combine), 3x3 binning, C Filter 2021-01-23 23:03 UT (#854180-83) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

NGC 684 with SN 2021ass - 2021-01-25 (T+7.7d) Image below (2021-01-25.859) was taken 7.7 days after discovery of 2021ass SN is shown by white cross hairs.  Magnitude ?

Annotated CCD Image  (125% size,square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2021-01-25 20:47 UT (#855052-56) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

NGC 684 with SN 2021ass - 2021-01-31 (T+13.6d) Image below (2021-01-31.785) was taken 13.6 days after discovery of 2021ass SN is shown by white cross hairs.  Magnitude ?

Annotated CCD Image  (125% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2021-01-31 19:00 UT (#856004-08) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

NGC 684 with SN 2021ass - 2021-02-10 (T+23.8d) Image below (2021-02-10.942) was taken 23.8 days after discovery of 2021ass SN is shown by white cross hairs.  Magnitude ?

Annotated CCD Image  (125% size,square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2021-02-10 22:46 UT (#858089-93) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

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SN 2021bge - Type II Supernova (discovered 2021-01-27) in UGC 2505

UGC 2505 with SN 2021bge (Cetus) SN 2021bge (Type: II) discovered 2021/01/27.517 UT by Koichi Itagaki Alias: ATLAS21dfn, Gaia21aqd  ( Rochester Supernova site | Discovery Image  )

UGC 2505 with SN 2021bge - 2021-01-31 (T+4.3d) SN is shown by white cross hairs.

Annotated CCD Image  (50% size, square root scale) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2021-01-31 20:57 UT (#856062-66) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

N2021bge  - Image sequence  T+4.3d to +312.4d (SN discovery, T = 2021-01-27.517)

UGC 2505 with SN 2021bge - 2021-01-31 (T+4.3d) Image below (2021-01-31.867) was taken 4.3 days after discovery of 2021bge SN is shown by white cross hairs.  Measured Magnitude +16.35

Annotated CCD Image  (125% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2021-01-31 20:57 UT (#856062-66) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

UGC 2505 with SN 2021bge - 2021-02-01 (T+5.3d) Image below (2021-02-01.856) was taken 5.3 days after discovery of 2021bge SN is shown by white cross hairs.  Measured Magnitude +16.4 (fading)

Annotated CCD Image  (125% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2021-02-01 20:41 UT (#857084-88) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

UGC 2505 with SN 2021bge - 2021-02-16 (T+20.3d) Image below (2021-02-16.818) was taken 20.3 days after discovery of 2021bge SN is shown by white cross hairs.  Measured Magnitude +16.5 (fading)

Annotated CCD Image  (125% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2021-02-16 19:47 UT (#859013-17) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

UGC 2505 with SN 2021bge - 2021-02-22 (T+26.4d) Image below (2021-02-22.872) was taken 26.4 days after discovery of 2021bge SN position is shown by white circle  Measured Magnitude ? (fading) Poor quality image (SN hardly visible )

Annotated CCD Image  (125% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2021-02-22 21:04 UT (#861053-57) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

UGC 2505 with SN 2021bge - 2021-02-26 (T+30.3d) Image below (2021-02-26.858) was taken 30.3 days after discovery of 2021bge SN position is shown by white circle  Measured Magnitude ?  (fading) Poor quality image (SN poorly resolved )

Annotated CCD Image  (125% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2021-02-26 20:44 UT (#864048-52) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

UGC 2505 with SN 2021bge - 2021-02-27 (T+31.3d) Image below (2021-02-27.831) was taken 31.3 days after discovery of 2021bge SN position is shown by white circle  Measured Magnitude +16.6 (fading slowly)

Annotated CCD Image  (125% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2021-02-27 20:06 UT (#865022-26) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

UGC 2505 with SN 2021bge - 2021-03-05 (T+37.3d) Image below (2021-03-05.851) was taken 37.3 days after discovery of 2021bge SN position is shown by white circle  Measured Magnitude +16.7 (fading)

Annotated CCD Image  (125% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2021-03-05 20:36 UT (#867020-24) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

UGC 2505 - 2021-12-05 (T+312.4d) Image below (2021-12-05.872) was taken 312.4 days after discovery of 2021bge SN has long since faded and is no longer visible in image below Image is for comparison with earlier images with SN Although UGC 2505 is recorded in catalogs as an irregular galaxy, it looks more like a spiral galaxy ?

Annotated CCD Image  (125% size, square root scale, cropped) 3 x 180s exposure (average combine), 3x3 binning, C Filter 2021-12-05 21:02 UT (#939096-98) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

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SN 2021biz - Type Ia Supernova (discovered 2021-01-29) in NGC 4227

NGC 4227 with SN 2021biz (Canes Venatici) SN 2021biz (Type: Ia) discovered 2021/01/29.543 UT by ATLAS Alias: ATLAS21dfz ( Rochester Supernova site | Gianluca Masi image | Jean-Claude Merlin image )

NGC 4227 with SN 2021biz (T+3.6d) NGC 4227 (catalog mag +12.8) with other galaxies in field of view :  NGC 4229 (catalog mag  +13.3), PGC 39321 (catalog mag +17.0), PGC 213959 (catalog mag +17.2), PGC 2034564 (catalog mag +17.8) PGC 213960 (catalog mag +17.9), PGC 2035101 (catalog mag +18.0)

Annotated CCD Image  (100% size, square root scale, cropped) 2 x 180s exposure (average combine), 3x3 binning, C Filter 2021-02-02 04:17 UT (#857284-88) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

NGC 4227 with SN 2021biz  - Image sequence  T+3.6d to T+64.4d (SN discovery, T = 2021-01-29.543)

NGC 4227 with SN 2021biz - 2021-02-02 (T+3.6d) Image below (2021-02-02.172) was taken 3.6 days after discovery of 2021biz SN shown by white cross hairs.  Measured magnitude +16.6 (brightening)

Annotated CCD Image (125% size, square root scale, cropped)  2 x 180s exposure (average combine), 3x3 binning, C Filter 2021-02-02 04:17 UT (#857284-88) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

NGC 4227 with SN 2021biz - 2021-02-10 (T+12.5d) Image below (2021-02-10.996) was taken 12.5 days after discovery of 2021biz SN shown by white cross hairs.  Measured magnitude +15.7 (brightening)

Annotated CCD Image (125% size, square root scale, cropped)  4 x 180s exposure (average combine), 3x3 binning, C Filter 2021-02-11 00:04 UT (#858119-22) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

NGC 4227 with SN 2021biz - 2021-02-25 (T+26.6d) Image below (2021-02-25.187) was taken 26.6 days after discovery of 2021biz SN shown by white cross hairs.  Measured magnitude +16.1 (fading)

Annotated CCD Image (125% size, square root scale, cropped) 4 x 180s exposure (average combine), 3x3 binning, C Filter 2021-02-25 04:36 UT (#862079-82) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

NGC 4227 with SN 2021biz - 2021-02-28 (T+29.5d) Image below (2021-02-28.019) was taken 29.5 days after discovery of 2021biz SN shown by white cross hairs.  Measured magnitude +16.2 (fading) (Image affected by offset light source)

Annotated CCD Image (125% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2021-02-28 00:36 UT (#865126-30) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

NGC 4227 with SN 2021biz - 2021-03-06 (T+35.6d) Image below (2021-03-06.117) was taken 35.6 days after discovery of 2021biz SN shown by white cross hairs.  Measured magnitude +16.4 (fading)

Annotated CCD Image (125% size, square root scale, cropped) 4 x 180s exposure (average combine), 3x3 binning, C Filter 2021-03-06 02:56 UT (#867146-49) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

NGC 4227 with SN 2021biz - 2021-03-13 (T+43.4d) Image below (2021-03-13.926) was taken 43.4 days after discovery of 2021biz SN shown by white cross hairs.  Measured magnitude +16.58

Annotated CCD Image (125% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2021-03-13 22:23 UT (#869057-61) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

NGC 4227 with SN 2021biz - 2021-03-14 (T+44.4d) Image below (2021-03-14.954) was taken 44.4 days after discovery of 2021biz SN shown by white cross hairs.  Measured magnitude +16.58 (unchanged)

Annotated CCD Image (125% size, square root scale, cropped) 3 x 180s exposure (average combine), 3x3 binning, C Filter 2021-03-14 23:01 UT (#870033-36) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

NGC 4227 with SN 2021biz - 2021-03-16 (T+46.4d) Image below (2021-03-16.983) was taken 46.4 days after discovery of 2021biz SN shown by white cross hairs.  Measured magnitude +16.88 (unchanged)

Annotated CCD Image (125% size, square root scale, cropped) 4 x 180s exposure (average combine), 3x3 binning, C Filter 2021-03-16 23:47 UT (#871096-99) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

NGC 4227 with SN 2021biz - 2021-03-22 (T+51.5d) Image below (2021-03-22.022) was taken 51.5 days after discovery of 2021biz SN shown by white cross hairs.  Measured magnitude +16.87

Annotated CCD Image (125% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2021-03-22 00:41 UT (#873035-39) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

NGC 4227 with SN 2021biz - 2021-03-23 (T+52.6d) Image below (2021-03-23.128) was taken 52.6 days after discovery of 2021biz SN shown by white cross hairs.  Measured magnitude ? (fading)

Annotated CCD Image (125% size, square root scale, cropped)  2 x 180s exposure (average combine), 3x3 binning, C Filter 2021-03-23 03:09 UT (#874198-99) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

NGC 4227 with SN 2021biz - 2021-03-29 (T+59.4d) Image below (2021-03-29.948) was taken 59.4 days after discovery of 2021biz Postion of SN (faint) shown by white cross hairs.  Measured magnitude +17.25

Annotated CCD Image  (125% size, linear scale, cropped) 4 x 180s exposure (average combine), 3x3 binning, C Filter 2021-03-29 22:52 UT (#877061-64) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

NGC 4227 with SN 2021biz - 2021-04-01 (T+62.4d) Image below (2021-04-01.910) was taken 62.4 days after discovery of 2021biz SN shown by white cross hairs.  Measured magnitude ? (fading ?)

Annotated CCD Image  (125% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2021-04-01 22:00 UT (#879038-42) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

NGC 4227 with SN 2021biz - 2021-04-03 (T+64.4d) Image below (2021-04-03.908) was taken 64.4 days after discovery of 2021biz SN shown by white cross hairs.  Measured magnitude +17.3 (fading)

Annotated CCD Image  (125% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2021-04-03 21:57 UT (#881040-44) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

NGC 4227 with SN 2021biz - 2021-04-12 (T+73.4d) Image below (2021-04-12.913) was taken 73.4 days after discovery of 2021biz SN shown by white cross hairs.  Measured magnitude ?

Annotated CCD Image  (125% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2021-04-12 22:04 UT (#883025-29) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

NGC 4227 with SN 2021biz - 2022-02-04 (T+370.6d) Image below (2022-02-04.109) was taken 370.6 days after discovery of 2021biz Position of earlier SN (no longer visible) is shown by white cross hairs.

Annotated CCD Image  (125% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2022-02-04 02:46 UT (#962053-57) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

NGC 4227 with SN 2021biz - 2022-02-09 (T+375.6d) Image below (2022-02-09.113) was taken 375.6 days after discovery of 2021biz Position of earlier SN (no longer visible) is shown by white cross hairs.

Annotated CCD Image  (125% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2022-02-09 02:52 UT (#967149-53) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

NGC 4227 with SN 2021biz - 2022-02-10 (T+376.5d) Image below (2022-02-10.089) was taken 376.5 days after discovery of 2021biz Position of earlier SN (no longer visible) is shown by white cross hairs.

Annotated CCD Image  (125% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2022-02-10 02:18 UT (#968200-04) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

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SN 2021bjy - Type Ia Supernova (discovered 2021-01-30) in CGCG 264-017

CGCG 264-017 with SN 2021bjy (Ursa Major) SN 2021bjy (Type Ia, zhost=0.02749) discovered 2021/01/30.481 UT by ATLAS Alias: ATLAS21dgz  ( Rochester Supernova site | Odd Trondal image )

CGCG 264-017   CGCG 264-017 / PGC 24798  (catalog mag +15.4) with other galaxies in same field of view  PGC 24783 (catalog mag 16.4),  PGC 2384514 (catalog mag +17.7)

Annotated CCD Image  (50% size, square root scale) 2 x 180s exposure (average combine), 3x3 binning, C Filter 2021-04-02 23:14 UT (#880004-05) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

CGCG 264-017 with SN 2021bjy - 2021-02-17 (T+17.6d) Image below (2021-02-17.080) was taken 17.6 days after discovery of 2021bjy SN is indicated by white cross-hairs. Measured magnitude +16.7 (transient) (linked on x1.5 image)

Annotated CCD Image  (150% size, square root scale, cropped) 4 x 180s exposure (average combine), 3x3 binning, C Filter 2021-02-17 02:02 UT (#859208-11) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

CGCG 264-017 with SN 2021bjy - 2021-02-25 (T+26.5d) Image below (2021-02-25.980) was taken 26.5 days after discovery of 2021bjy SN is indicated by white cross-hairs. Measured magnitude ? (fading)

Annotated CCD Image  (150% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2021-02-25 23:40 UT (#863131-35) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

CGCG 264-017 with SN 2021bjy - 2021-04-02 (T+62.5d) Image below (2021-04-02.965) was taken 62.5 days after discovery of 2021bjyz SN is indicated by white cross-hairs. Measured magnitude ? (fading)

Annotated CCD Image  (150% size, square root scale, cropped) 2 x 180s exposure (average combine), 3x3 binning, C Filter 2021-04-02 23:14 UT (#880004-05) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

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SN 2021bkw - Type Ia Supernova (discovered 2021-01-31) in LEDA 1634284

LEDA 1634284 with SN 2021bkw (Bootes) SN 2021bkw (Type: Ia) discovered 2021/01/31.553 UT by ATLAS Alias: ATLAS21dhp [ Supernovae ]  (Rochester Supernova site | Gianluca Masi image  )

LEDA 1634284  (Galaxy) Alias PGC 1634284 (catalog mag +16.1)

Annotated CCD Image  (50% size, square root scale) 4 x 180s exposure (average combine), 3x3 binning, C Filter 2021-03-12 04:09 UT (#868119-22) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

LEDA 1634284 with SN 2021bkw - 2021-03-12 (T+39.6d) Image below (2021-03-12.165) was taken 39.6 days after discovery of 2021bkw Measured Magnitude +16.0 (SN + Host Galaxy Nucleus)

Annotated CCD Image  (150% size, square root scale, cropped) 4 x 180s exposure (average combine), 3x3 binning, C Filter 2021-03-12 04:09 UT (#868119-22) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

LEDA 1634284 with SN 2021bkw - 2021-03-22 (T+49.6d) Image below (2021-03-22.113) was taken 49.6 days after discovery of 2021bkw Measured Magnitude +15.91 (SN + Host Galaxy Nucleus)

Annotated CCD Image  (150% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2021-03-22 02:51 UT (#873076-80) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

LEDA 1634284 with SN 2021bkw - 2022-01-29 (T+362.6d) Image below (2022-01-29.172) was taken 362.6 days after discovery of 2021bkw Measured Magnitude +16.5 (SN + Host Galaxy Nucleus, faded)

Annotated CCD Image  (150% size, square root scale, cropped) 4 x 180s exposure (average combine), 3x3 binning, C Filter 2022-01-29 04:15 UT (#961132-36) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

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SN 2021bug - Type II Supernova (discovered 2021-02-04) in NGC 4533  (Attempt)

NGC 4533 with SN 2021bug (Virgo) SN 2021bug (Type: II) discovered 2021/02/04.413 UT by ZTF Alias: ZTF21aagydmn, ATLAS21dqt Discovery Magnitude 18.29  ( Rochester Supernova site | TNS 2021bug )

NGC 4533 - Spiral Galaxy

Annotated CCD Image (50% size, square root scale) 2 x 180s exposure (average combine), 3x3 binning, C Filter 2022-02-06 03:42 UT (#964195-96) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

NGC 4533 with SN 2021bug - 2022-02-06 (T+366.7d) Image below (2022-02-06.151) was taken 366.7 days after discovery of 2021bug Reported position of earlier SN (not visible) is shown by white cross-hairs

Annotated CCD Image (125% size, square root scale, cropped) 2 x 180s exposure (average combine), 3x3 binning, C Filter 2022-02-06 03:42 UT (#964195-96) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

NGC 4533 with SN 2021bug - 2021-03-21 (T+45.6d) Image below (2021-03-21.994) was taken 45.6 days after discovery of 2021bug Reported position of SN (faint) is shown by white cross-hairs

Annotated CCD Image (125% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2021-03-22 00:02 UT (#873022-26) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

NGC 4533 with SN 2021bug - 2022-02-24 (T+384.6d) Image below (2022-02-24.039) was taken 384.6 days after discovery of 2021bug Reported position of earlier SN (not visible) is shown by white cross-hairs Poor quality image due to bad seeing/wind shake

Annotated CCD Image (125% size, square root scale, cropped) 3 x 180s exposure (average combine), 3x3 binning, C Filter 2022-02-24 01:08 UT (#976123-25) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of SN 2021bug (NGC 4533) on Supernovae 2021 Page >>

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SN 2021cwc - Type Ia Supernova (discovered 2021-02-13) in UGC 3502

UGC 3502 with SN 2021cwc (Camelopardalis) SN 2021cwc (Type Ia, z=0.021) discovered 2021/02/13.381 UT by ATLAS Alias: ATLAS21flz  ( Rochester Supernova site |  Giancarlo Cortini image | Odd Trondal image )

UGC 3502 with SN 2021cwc - 2021-02-16 (T+3.5d) SN lies close to nucleus of host galaxy

Annotated CCD Image  (50% size, square root scale) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2021-02-16 21:02 UT (#859064-68) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

UGC 3502 with SN 2021cwc Image sequence  T+3.5d to T+49.5d (SN discovery, T = 2021-02-13.381)

UGC 3502 with SN 2021cwc - 2021-02-16 (T+3.5d) Image below (2021-02-16.870) was taken 3.5 days after discovery of 2021cwc SN is shown by white cross hairs.  Magnitude ?

Annotated CCD Image  (150% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2021-02-16 21:02 UT (#859064-68) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

UGC 3502 with SN 2021cwc - 2021-02-18 (T+5.6d) Image below (2021-02-18.973) was taken 5.6 days after discovery of 2021cwc SN is shown by white cross hairs.    Est Mag +16.3

Annotated CCD Image  (150% size, square root scale, cropped) 4 x 180s exposure (average combine), 3x3 binning, C Filter 2021-02-18 23:30 UT (#860018-22) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

UGC 3502 with SN 2021cwc - 2021-02-25 (T+11.7d) Image below (2021-02-25.092) was taken 11.7 days after discovery of 2021cwc SN is shown by white cross hairs.

Annotated CCD Image  (150% size, square root scale, cropped) 4 x 180s exposure (average combine), 3x3 binning, C Filter 2021-02-25 02:23 UT (#862019-23) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

UGC 3502 with SN 2021cwc - 2021-02-26 (T+12.6d) Image below (2021-02-26.001) was taken 12.6 days after discovery of 2021cwc SN is shown by white cross hairs.    Measured Mag ? (SN too faint to extract object properties using sextractor)

Annotated CCD Image  (150% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2021-02-26 00:12 UT (#863148-52) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

UGC 3502 with SN 2021cwc - 2021-02-26 (T+13.5d) Image below (2021-02-26.923) was taken 13.5 days after discovery of 2021cwc SN is shown by white cross hairs.    Measured Mag ? (SN too faint to extract object properties using sextractor)

Annotated CCD Image  (150% size, square root scale, cropped) 4 x 180s exposure (average combine), 3x3 binning, C Filter 2021-02-26 22:19 UT (#864099-103) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

UGC 3502 with SN 2021cwc - 2021-03-06 (T+20.7d) Image below (2021-03-06.102) was taken 20.7 days after discovery of 2021cwc SN is shown by white cross hairs.    Measured Mag ? (unable to resolve SN properties using sextractor)

Annotated CCD Image  (150% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2021-03-06 02:36 UT (#867138-42) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

UGC 3502 with SN 2021cwc - 2021-03-14 (T+28.6d) Image below (2021-03-14.003) was taken 28.6 days after discovery of 2021cwc SN is shown by white cross hairs.

Annotated CCD Image  (150% size, square root scale, cropped) 4 x 180s exposure (average combine), 3x3 binning, C Filter 2021-03-14 00:14 UT (#869102-05) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

UGC 3502 with SN 2021cwc - 2021-03-22 (T+37.5d) Image below (2021-03-22.919) was taken 37.5 days after discovery of 2021cwc SN is shown by white cross hairs.  SN has faded but is still just visible.

Annotated CCD Image  (150% size, square root scale, cropped) 4 x 180s exposure (average combine), 3x3 binning, C Filter 2021-03-22 22:12 UT (#874049-52) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

UGC 3502 with SN 2021cwc - 2021-03-24 (T+39.5d) Image below (2021-03-24.894) was taken 39.5 days after discovery of 2021cwc SN is shown by white cross hairs.  SN has faded but is still just visible.

Annotated CCD Image  (150% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2021-03-24 21:37 UT (#875027-31) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

UGC 3502 with SN 2021cwc - 2021-03-29 (T+44.5d) Image below (2021-03-29.894) was taken 44.5 days after discovery of 2021cwc Position of earlier SN (faded / not visible ) is shown by white cross hairs.

Annotated CCD Image  (150% size, square root scale, cropped) 4 x 180s exposure (average combine), 3x3 binning, C Filter 2021-03-29 21:36 UT (#877036-40) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

UGC 3502 with SN 2021cwc - 2021-04-01 (T+47.5d) Image below (2021-04-01.856) was taken 47.5 days after discovery of 2021cwc SN is shown by white cross hairs.  SN has faded but is still just visible.

Annotated CCD Image  (150% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2021-04-01 20:42 UT (#879004-08) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

UGC 3502 with SN 2021cwc - 2021-04-03 (T+49.5d) Image below (2021-04-03.863) was taken 49.5 days after discovery of 2021cwc SN is shown by white cross hairs.  SN has faded is barely visible.

Annotated CCD Image  (150% size, square root scale, cropped) 4 x 180s exposure (average combine), 3x3 binning, C Filter 2021-04-03 20:51 UT (#881016-20) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

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SN 2021dnn - Type Ia Supernova (discovered 2021-02-22) in NGC 304

NGC 304 with SN 2021dnn (Andromeda) [ Supernovae 2021 ] SN 2021dnn (Type: Ia) discovered 2021/02/22.225 UT by ATLAS Discovery Magnitude +18.3 Alias: ZTF21aabpszb, Gaia21adm  (Rochester Supernova site | TNS | )

NGC 304   Other galaxies in same field of view :  PGC 3302(catalog mag +15.7)

Annotated CCD Image  (50% size, square root scale, cropped) 4 x 180s exposure (average combine), 3x3 binning, C Filter 2021-02-22 20:21 UT (#861038-41) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

NGC 304 with SN 2021dnn Image sequence  T+0.6d to T+19.6d (SN discovery, T = 2021-02-22.225)

NGC 304 with SN 2021dnn - 2021-02-22 (T+0.6d) Image below (2021-02-22.840) was taken 0.6 days after discovery of 2021dnn SN is shown by white cross hairs.

Annotated CCD Image  (150% size, square root scale, cropped) 4 x 180s exposure (average combine), 3x3 binning, C Filter 2021-02-22 20:21 UT (#861038-41) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

NGC 304 with SN 2021dnn - 2021-02-25 (T+3.7d) Image below (2021-02-25.894) was taken 3.7 days after discovery of 2021dnn SN position is shown by white cross hairs.  Poor quality image - SN is not clearly resolved

Annotated CCD Image  (150% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2021-02-25 21:36 UT (#863047-51) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

NGC 304 with SN 2021dnn - 2021-02-26 (T+4.6d) Image below (2021-02-26.801) was taken 4.6 days after discovery of 2021dnn SN position is shown by white cross hairs.  (unable to resolve SN using sextractor)

Annotated CCD Image  (150% size, square root scale, cropped) 4 x 180s exposure (average combine), 3x3 binning, C Filter 2021-02-26 19:23 UT (#864004-08) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

NGC 304 with SN 2021dnn - 2021-02-27 (T+5.6d) Image below (2021-02-27.815) was taken 5.6 days after discovery of 2021dnn SN is shown by white cross hairs.  Measured magnitude ? (unable to resolve SN using sextractor)

Annotated CCD Image  (150% size, square root scale, cropped) 4 x 180s exposure (average combine), 3x3 binning, C Filter 2021-02-27 19:41 UT (#865014-17) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

NGC 304 with SN 2021dnn - 2021-03-05 (T+11.6d) Image below (2021-03-05.836) was taken 11.6 days after discovery of 2021dnn SN is shown by white cross hairs.  Measured magnitude ? (unable to resolve SN using CCDSoft/Sextractor)

Annotated CCD Image  (150% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2021-03-05 20:13 UT (#867011-15) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

NGC 304 with SN 2021dnn - 2021-03-11 (T+17.6d) Image below (2021-03-11.852) was taken 17.6 days after discovery of 2021dnn No object is visible at SN reported position (shown by white circle) ( image is single frame taken under poor sky conditions)

Annotated CCD Image  (150% size, square root scale, cropped) 180s exposure (single frame), 3x3 binning, C Filter 2021-03-11 20:30 UT (#868020) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

NGC 304 with SN 2021dnn - 2021-03-13 (T+19.6d) Image below (2021-03-13.839) was taken 19.6 days after discovery of 2021dnn SN position is shown by white circle. No object is visible at SN's reported position (white circle)

Annotated CCD Image  (150% size, square root scale, cropped) 2 x 180s exposure (average combine), 3x3 binning, C Filter 2021-03-13 20:13 UT (#869003-04) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of SN 2021dnn (NGC 304) on Supernovae 2021 Page >>

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SN 2021dwg - Type Ic Supernova (discovered 2021-02-27) in IC 992

IC 992 with SN 2021dwg (Virgo) SN 2021dwg (Type: Ic) discovered 2021/02/27.420 UT by ZTF Alias: ZTF21aannoix Magnitude +18.44 at discovery  (Rochester Supernova site |  TNS SN 2021dwg | ZTF21aannoix Notes) [ Supernovae 2021 ]

IC 992 with SN 2021dwg - 2021-03-27 (T+27.7d)

Annotated CCD Image  (50% size, square root scale) 4 x 180s exposure (average combine), 3x3 binning, C Filter 2021-03-27 02:27 UT (#876022-25) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

IC 992 with SN 2021dwg  Image sequence  T+0.7d to T+33.6d (SN discovery, T = 2021-02-27.420)

IC 992 with SN 2021dwg - 2021-02-28 (T+0.7d) Image below (2021-02-28.081) was taken just 0.7 days after discovery of 2021dwg No indication of an object at reported SN position (shown by white circle) SN might still be too faint (SN only +18.44 at discovery just hours beforehand) and/or or image quality is too poor (due to sub-optimal sky conditions) (SN is however easily visible in a later image taken 6.7 days after SN discovery)

Annotated CCD Image  (125% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2021-02-28 02:06 UT (#865167-71) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

IC 992 with SN 2021dwg - 2021-03-06 (T+6.7d) Image below (2021-03-06.086) was taken 6.7 days after discovery of 2021dwg SN shown by white cross-hairs. Measured magnitude +17.6

Annotated CCD Image  (125% size, square root scale, cropped) 3 x 180s exposure (average combine), 3x3 binning, C Filter 2021-03-06 02:10 UT (#867130-32) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

IC 992 with SN 2021dwg - 2021-03-14 (T+14.7d) Image below (2021-03-14.169) was taken 14.7 days after discovery of 2021dwg Position of SN (distinct) is shown by white cross-hairs Measured magnitude +17.46

Annotated CCD Image  (125% size, square root scale, cropped) 2 x 180s exposure (average combine), 3x3 binning, C Filter 2021-03-14 04:09 UT (#869185-86) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

IC 992 with SN 2021dwg - 2021-03-22 (T+22.7d) Image below (2021-03-22.099) was taken 22.7 days after discovery of 2021dwg Position of SN (distinct) is shown by white cross-hairs Measured magnitude +17.39

Annotated CCD Image  (125% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2021-03-22 02:31 UT (#873069-73) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

IC 992 with SN 2021dwg - 2021-03-27 (T+27.7d) Image below (2021-03-27.097) was taken 27.7 days after discovery of 2021dwg

Annotated CCD Image  (125% size, square root scale, cropped) 4 x 180s exposure (average combine), 3x3 binning, C Filter 2021-03-27 02:27 UT (#876022-25) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

IC 992 with SN 2021dwg - 2021-04-02 (T+33.6d) Image below (2021-04-02.018) was taken 33.6 days after discovery of 2021dwg

Annotated CCD Image  (125% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2021-04-02 00:35 UT (#879097-101) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

IC 992 with SN 2021dwg - 2021-12-18 (T+293.9d) Image below (2021-12-18.283) was taken 293.9 days after discovery of 2021dwg Position of earlier SN (no longer visible) is shown by white circle.

Annotated CCD Image  (125% size, square root scale, cropped) 2 x 180s exposure (average combine), 3x3 binning, C Filter 2021-12-18 06:51 UT (#943134-35) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

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SN 2021foa - Type IIn Supernova (discovered 2021-03-15) in IC 863

IC 863 with SN 2021foa (Virgo) SN 2021foa (Type: IIn) discovered 2021/03/15.450 UT by ASAS-SN Alias: ASASSN-21dg  ( Rochester Supernova site | Discovery Image )

Annotated CCD Image  (50% size, square root scale) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2021-03-23 01:56 UT (#874170-74) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

IC 863 with SN 2021foa Image sequence  T+6.6d to T+19.6d (SN discovery, T = 2021-03-15.450)

IC 863 with SN 2021foa - 2021-03-22 (T+6.6d) Image below (2021-03-22.010) was taken 6.6 days after discovery of 2021foa SN is indicated by white cross-hairs.  Measured magnitude +15.02 (for SN)

Annotated CCD Image  (150% size, square root scale, cropped) 4 x 180s exposure (average combine), 3x3 binning, C Filter 2021-03-22 00:22 UT (#873030-33) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

IC 863 with SN 2021foa - 2021-03-23 (T+7.6d) Image below (2021-03-23.074) was taken 7.6 days after discovery of 2021foa SN is indicated by white cross-hairs.  Measured magnitude ?  (+14.7 for SN & nucleus combined)

Annotated CCD Image  (150% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2021-03-23 01:56 UT (#874170-74) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

IC 863 with SN 2021foa - 2021-04-02 (T+17.6d) Image below (2021-04-02.003) was taken 17.6 days after discovery of 2021foa SN is indicated by white cross-hairs.  Measured magnitude +15.1  (nucleus +14.7)

Annotated CCD Image  (150% size, square root scale, cropped) 4 x 180s exposure (average combine), 3x3 binning, C Filter 2021-04-02 00:14 UT (#879090-94) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

IC 863 with SN 2021foa - 2021-04-04 (T+19.6d) Image below (2021-04-04.054) was taken 19.6 days after discovery of 2021foa SN is indicated by white cross-hairs.  Measured magnitude +14.9

Annotated CCD Image  (150% size, square root scale, cropped) 4 x 180s exposure (average combine), 3x3 binning, C Filter 2021-04-04 01:29 UT (#881113-16) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of SN 2021foa (IC 863) on Supernovae 2021 Page >>

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SN 2021fxy - Type Ia Supernova (discovered 2021-03-17) in NGC 5018

NGC 5018 with SN 2021fxy (Virgo) SN 2021fxy (Type: Ia) discovered 2021/03/17.725 UT by Koichi Itagaki  ( Rochester Supernova site | Discovery Image | Paolo Campaner image ) SN 2021fxy is indicated by white cross-hairs.

Annotated CCD Image  (50% size, square root scale) 4 x 180s exposure (average combine), 3x3 binning, C Filter 2021-03-23 01:34 UT (#874164-67) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

NGC 5018 with SN 2021fxy Image sequence  T+4.4d to T+406.2d (SN discovery, T = 2021-03-17.725)

NGC 5018 with SN 2021fxy - 2021-03-22 (T+4.4d) Image below (2021-03-22.084) was taken 4.4 days after discovery of 2021fxy SN is indicated by white cross-hairs.  Measured magnitude + 14.61

Annotated CCD Image  (100% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2021-03-22 02:10 UT (#873062-66) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

NGC 5018 with SN 2021fxy - 2021-03-23 (T+5.3d) Image below (2021-03-23.058) was taken 5.3 days after discovery of SN 2021fxy SN is indicated by white cross-hairs.  Measured magnitude + 14.5

Annotated CCD Image  (100% size, square root scale, cropped) 4 x 180s exposure (average combine), 3x3 binning, C Filter 2021-03-23 01:34 UT (#874164-67) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

NGC 5018 with SN 2021fxy - 2021-04-01 (T+14.3d) Image below (2021-04-01.010) was taken 14.3 days after discovery of 2021fxy SN is indicated by white cross-hairs.  Measured magnitude + 13.8

Annotated CCD Image  (100% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2021-04-01 00:24 UT (#878018-22) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

NGC 5018 with SN 2021fxy - 2021-04-04 (T+17.3d) Image below (2021-04-04.024) was taken 17.3 days after discovery of 2021fxy SN is indicated by white cross-hairs.  Measured magnitude + 13.9

Annotated CCD Image  (100% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2021-04-04 00:44 UT (#881104-08) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

NGC 5018 with SN 2021fxy - 2022-01-14 (T+302.5d) Image below (2022-01-14.235) was taken 302.5 days after discovery of 2021fxy Position of earlier SN (faded/no longer visible) is shown by white cross-hairs.

Annotated CCD Image  (100% size, square root scale, cropped) 3 x 180s exposure (average combine), 3x3 binning, C Filter 2022-01-14 05:47 UT (#954098-102) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

NGC 5018 with SN 2021fxy - 2022-04-27 (T+406.2d) Image below (2022-04-27.970) was taken 406.2 days after discovery of 2021fxy Position of earlier SN (faded/no longer visible) is indicated by white cross-hairs.

Annotated CCD Image  (100% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2022-04-27 23:27 UT (#1004034-38) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

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SN 2021gmh - Type Ia Supernova (discovered 2021-03-19) in SDSS J223433.36+340019.1

SDSS J223433.36+340019.1 with SN 2021gmh (Pegasus) SN 2021gmh (Type: Ia) discovered 2021/03/19.536 UT by ZTF Alias: ZTF21aaqftpz  (Rochester Supernova site ) Position of SDSS Galaxy with Supernova (faint) is shown by white circle

Annotated CCD Image  (50% size, square root scale) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2021-09-27 22:31 UT (#917128-32) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

SN 2021gmh - 2021-09-27 (T+192.4d) Image below (2021-09-27.931) was taken 192.4 days after discovery of 2021gmh Galaxy with Supernova (faint) is shown by white cross-hairs

Annotated CCD Image  (150% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2021-09-27 22:31 UT (#917128-32) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Negative CCD Image  (150% size, square root scale, cropped) Image details as above

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SN 2021gno - Type II Supernova (discovered 2021-03-20) in NGC 4165

NGC 4165 with SN 2021gno (Virgo) SN 2021gno (Type: II) discovered 2021/03/20.235 UT by ZTF Alias: ZTF21aaqhhfu  ( Rochester Supernova site |  Claudio Balcon image | Giancarlo Cortini image  )

NGC 4165 NGC 4165 / PGC 38885 (catalog mag +14.7) with NGC 4168 (catalog mag +11.2) & NGC 4164 (catalog mag +15.7)

Annotated CCD Image  (50% size, square root scale) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2021-04-01 22:43 UT (#879054-58) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

NGC 4165 - Detail NGC 4165 / PGC 38885 (catalog mag +14.7) with PGC 1426623 (catalog mag +17.4)

Annotated CCD Image  (50% size, square root scale) 4 x 180s exposure (average combine), 3x3 binning, C Filter 2022-01-06 03:30 UT (#949084-87) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

NGC 4165 with SN 2021gno Image sequence  T+12.7d to +14.7d (SN discovery, T = 2021-03-20.235

NGC 4165 with SN 2021gno - 2021-04-01 (T+12.7d) Image below (2021-04-01.940) was taken 12.7 days after discovery of 2021gno SN is shown by white cross hairs.

Annotated CCD Image  (125% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2021-04-01 22:43 UT (#879054-58) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

NGC 4165 with SN 2021gno - 2021-04-03 (T+14.7d) Image below (2021-04-03.893) was taken 14.7 days after discovery of 2021gno SN is shown by white cross hairs.  Magnitude +16.7

Annotated CCD Image  (125% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2021-04-03 21:36 UT (#881032-36) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

NGC 4165 with SN 2021gno - 2021-04-12 (T+23.7d) Image below (2021-04-12.888) was taken 23.7 days after discovery of 2021gno SN is shown by white cross hairs.  Measured Magnitude +17.28

Annotated CCD Image  (125% size, square root scale, cropped) 4 x 180s exposure (average combine), 3x3 binning, C Filter 2021-04-12 21:27 UT (#883012-15) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

NGC 4165 with SN 2021gno - 2022-01-02 (T+288.0d) Image below (2022-01-02.197) was taken 288.0 days after discovery of 2021gno Position of earlier SN (no longer visible) is shown by white cross hairs.

Annotated CCD Image  (125% size, square root scale, cropped) 3 x 180s exposure (average combine), 3x3 binning, C Filter 2022-01-02 04:53 UT (#947260-64) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

NGC 4165 with SN 2021gno - 2022-01-06 (T+291.9d) Image below (2022-01-06.140) was taken 291.9 days after discovery of 2021gno Position of earlier SN (no longer visible) is shown by white cross hairs.

Annotated CCD Image  (125% size, square root scale, cropped) 4 x 180s exposure (average combine), 3x3 binning, C Filter 2022-01-06 03:30 UT (#949084-87) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

NGC 4165 with SN 2021gno - 2022-01-08 (T+293.9d) Image below (2022-01-08.101) was taken 293.9 days after discovery of 2021gno Position of earlier SN (no longer visible) is shown by white cross hairs.

Annotated CCD Image  (125% size, square root scale, cropped) 4 x 180s exposure (average combine), 3x3 binning, C Filter 2022-01-08 02:34 UT (#950197-200) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

NGC 4165 with SN 2021gno - 2022-01-09 (T+294.9d) Image below (2022-01-09.179) was taken 294.9 days after discovery of 2021gno Position of earlier SN (no longer visible) is shown by white cross hairs.

Annotated CCD Image  (125% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2022-01-09 04:27 UT (#951087-91) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

NGC 4165 with SN 2021gno - 2022-02-10 (T+326.8d) Image below (2022-02-10.072) was taken 326.8 days after discovery of 2021gno Position of earlier SN (no longer visible) is shown by white cross hairs.

Annotated CCD Image  (125% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2022-02-10 01:53 UT (#968193-97) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

NGC 4165 with SN 2021gno - 2022-02-11 (T+327.8d) Image below (2022-02-11.056) was taken 327.8 days after discovery of 2021gno Position of earlier SN (no longer visible) is shown by white cross hairs.

Annotated CCD Image  (125% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2022-02-11 01:30 UT (#969058-62) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

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SN 2021gmj - Type II Supernova (discovered 2021-03-20) in NGC 3310 (Herschel IV-60)

NGC 3310 / Herschel IV-60 with SN 2021gmj (Ursa Major) SN 2021gmj (Type: II) discovered 2021/03/20.320 UT by DLT40 Alias: ZTF21aaqgmjt, ATLAS21izq [ Herschel 400 Objects ] SN position indicated by white cross-hairs

Annotated CCD Image (50% size, log scale) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2021-03-24 22:07 UT (#875043-47) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

NGC 3310 with SN 2021gmj Image sequence  T+4.6d to +14.6d (SN discovery, T = 2021-03-20.320)

NGC 3310 - Pre-Supernova Image (2013)

CCD Image (100% size, square root scale, cropped) 5 x 90 sec exposure (average combine), 3x3 binning, C filter,  2013-04-05  21:37h UT (#545080-84) 12" LX200R  (at f/9.7) + ST-10XME

NGC 3310 with SN 2021gmj - 2021-03-24 (T+4.6d) Image below (2021-03-24.915) was taken 4.6 days after discovery of 2021gmj SN position indicated by white cross-hairs

Annotated CCD Image (100% size, log scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2021-03-24 22:07 UT (#875043-47) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

NGC 3310 with SN 2021gmj - 2021-03-29 (T+9.6d) Image below (2021-03-29.917) was taken 9.6 days after discovery of 2021gmj SN position indicated by white cross-hairs Poor quality image (affected by wind shake/poor seeing)

Annotated CCD Image (100% size, log scale, cropped) 3 x 180s exposure (average combine), 3x3 binning, C Filter 2021-03-29 22:13 UT (#877050-52) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

NGC 3310 with SN 2021gmj - 2021-04-01 (T+12.6d) Image below (2021-04-01.896) was taken 12.6 days after discovery of 2021gmj SN position indicated by white cross-hairs

Annotated CCD Image (100% size, log scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2021-04-01 21:39 UT (#879031-35) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

NGC 3310 with SN 2021gmj - 2021-04-01 (T+11.7d) Image below (2021-04-01.026) was taken 11.7 days after discovery of 2021gmj SN position indicated by white cross-hairs.   Magnitude ?

Annotated CCD Image (100% size, log scale, cropped) 4 x 180s exposure (average combine), 3x3 binning, C Filter 2021-04-01 00:45 UT (#878026-29) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

NGC 3310 with SN 2021gmj - 2021-04-03 (T+14.6d) Image below (2021-04-03.878) was taken 14.6 days after discovery of 2021gmj SN position indicated by white cross-hairs

Annotated CCD Image (100% size, log scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2021-04-03 21:14 UT (#881024-28) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

NGC 3310 with SN 2021gmj - 2021-04-11 (T+22.6d) Image below (2021-04-11.926) was taken 22.6 days after discovery of 2021gmj SN position indicated by white cross-hairs

CCD Image (100% size, log scale, cropped) 3 x 180s exposure (average combine), 3x3 binning, C Filter 2021-04-11 22:19 UT (#882022-24) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

NGC 3310 with SN 2021gmj - 2021-04-12 (T+23.6d) Image below (2021-04-12.875) was taken 23.6 days after discovery of 2021gmj SN position indicated by white cross-hairs

CCD Image (100% size, log scale, cropped) 4 x 180s exposure (average combine), 3x3 binning, C Filter 2021-04-12 21:08 UT (#883005-08) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

NGC 3310 with SN 2021gmj - 2021-12-17 (T+271.9d) Image below (2021-12-17.187) was taken 271.9 days after discovery of 2021gmj SN is no longer visible

CCD Image (100% size, log scale, cropped) 3 x 180s exposure (average combine), 3x3 binning, C Filter 2021-12-17 04:40 UT (#942305-08) 12" LX200R (at f/10.4) + ST-10XME Non-Guided

NGC 3310 - 2021-12-30 (T+284.8d) Image below (2021-12-30.115) was taken 284.8 days after discovery of 2021gmj Position of earlier SN (no longer visible) is indicated by white cross-hairs

CCD Image (100% size, log scale, cropped) 3 x 180s exposure (average combine), 3x3 binning, C Filter 2021-12-30 02:53 UT (#946145-47) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

NGC 3310 - 2022-01-02 (T+287.8d) Image below (2022-01-02.149) was taken 287.8 days after discovery of 2021gmj Earlier SN 2021gmj (Type: II) is no longer visible

CCD Image (100% size, log scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2022-01-02 03:44 UT (#947237-41) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

NGC 3310 with SN 2021gmj - 2022-01-06 (T+291.9d) Image below (2022-01-06.224) was taken 291.9 days after discovery of 2021gmj Position of earlier SN (no longer visible) is indicated by white cross-hairs

CCD Image (100% size, log scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2022-01-06 05:31 UT (#949127-31) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

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SN 2021hcz - Type Ia Supernova (discovered 2021-03-24) in NGC 1400

NGC 1400 with SN 2021hcz  (Eridanus) SN 2021hcz (Type: Ia) discovered 2021/03/24.984 UT by Gaia Alias: Gaia21bmx Alerting magnitude +15.43 Declined to magnitude +19.68 by 2021-08-24 Declined to magnitude +18.07 by 2021-12-22  ( Rochester Supernova site | Discovery Image | TNS AT2021hcz |  Gaia21bmx )

NGC 1400 - Elliptical Galaxy

Annotated CCD Image  (50% size, log scale) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2022-01-09 19:33 UT (#952067-71) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

NGC 1400 with SN 2021hcz - 2021-12-16 (T+266.9d) Image below (2021-12-16.893) was taken 266.9 days after discovery of 2021hcz Position of earlier SN (no longer visible) is shown by white cross-hairs

Annotated CCD Image (125% size, log scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2021-12-16 21:36 UT (#942097-101) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

NGC 1400 with SN 2021hcz - 2022-01-09 (T+290.8d) Image below (2022-01-09.808) was taken 290.8 days after discovery of 2021hcz Position of earlier SN (no longer visible) is shown by white cross-hairs

Annotated CCD Image (125% size, log scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2022-01-09 19:33 UT (#952067-71) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Negative CCD Image (125% size, log scale, cropped) Image details as above

NGC 1400 with SN 2021hcz - 2022-01-21 (T+302.8d) Image below (2022-01-21.826) was taken 302.8 days after discovery of 2021hcz Position of earlier SN (no longer visible) is shown by white cross-hairs

Annotated CCD Image (125% size, log scale, cropped) 4 x 180s exposure (average combine), 3x3 binning, C Filter 2022-01-21 20:00 UT (#957081-85) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of SN 2021hcz (NGC 1400) on Supernova 2021 Page >>

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SN 2021hiz - Type Ia Supernova  (discovered 2021-03-30) in IC 3322A

IC 3322A with SN 2021hiz (Virgo) SN 2021hiz (Type: Ia) discovered 2021/03/30.359 UT by ZTF Alias: ZTF21aaqytjr  (Rochester Supernova site)

IC 3322A with SN 2021hiz - 2021-04-02 (T+2.7d) IC 3322A / PGC 40566 (catalog mag +13.8) with SN indicated by white cross-hairs Other galaxies in same field of view  PGC 213988 (catalog mag 16.9),  PGC 213989 (catalog mag +16.9) PGC 213987 (catalog +17.4)

Annotated CCD Image  (50% size, square root scale) 2 x 180s exposure (average combine), 3x3 binning, C Filter 2021-04-02 01:22 UT (#879107-08) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

IC 3322A with SN 2021hiz Image sequence  T+2.7d to +4.7d (SN discovery, T = 2021-03-30.359 UT)

IC 3322A with SN 2021hiz - 2021-04-02 (T+2.7d) Image below (2021-04-02.054) was taken 2.7 days after discovery of 2021hiz SN is indicated by white cross-hairs. Measured magnitude +15.4

Annotated CCD Image  (100% size, square root scale, cropped) 2 x 180s exposure (average combine), 3x3 binning, C Filter 2021-04-02 01:22 UT (#879107-08) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

IC 3322A with SN 2021hiz - 2021-04-04 (T+4.7d) Image below (2021-04-04.016) was taken 4.7 days after discovery of 2021hiz SN is indicated by white cross-hairs. Measured magnitude +14.4

Annotated CCD Image  (100% size, square root scale, cropped) 2 x 180s exposure (average combine), 3x3 binning, C Filter 2021-04-04 00:28 UT (#881100-01) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

IC 3322A with SN 2021hiz - 2022-01-02 (T+277.9d) Image below (2022-01-02.210) was taken 277.9 days after discovery of 2021hiz Position of SN (now only faintly visible) is indicated by white cross-hairs. Image affected by some wind vibration

Annotated CCD Image  (100% size, square root scale, cropped) 4 x 180s exposure (average combine), 3x3 binning, C Filter 2022-01-02 05:12 UT (#947267-71) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

IC 3322A with SN 2021hiz - 2022-01-09 (T+284.8d) Image below (2022-01-09.194) was taken 284.8 days after discovery of 2021hiz Position of SN (now only faintly visible) is indicated by white cross-hairs.

Annotated CCD Image  (100% size, square root scale, cropped) 4 x 180s exposure (average combine), 3x3 binning, C Filter 2022-01-09 04:47 UT (#951094-97) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

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AT2021kni - Candidate Supernova (discovered 2021-04-26) in NGC 7767

NGC 7767 with AT2021kni (Pegasus) AT2021kni (Type: unk) discovered 2021/04/26.766 UT by Koichi Itagaki Alias: PSN J23505558+2705349, Gaia21cvt ( Rochester Supernova site | Discovery Image | Enrico Prosperi image | Gaia21cvt )

NGC 7767 and adjacent galaxies NGC 7767 (catalog mag +13.5), NGC 7768 (catalog mag +12.3), NGC 7765 (catalog mag +14.7), NGC 7766 (catalog mag +16.7), PGC 1800698 (catalog mag +17.1), PGC 1798869 (catalog mag +17.3)

Annotated CCD Image (50% size, square root scale) 3 x 180s exposure (average combine), 3x3 binning, C Filter 2021-08-14 01:05 UT (#905100-02) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

NGC 7767 with AT2021kni Image sequence  T+10.3d to +123.2d (SN discovery, T = 2021-04-26.766 UT )

NGC 7767 with AT2021kni - 2021-05-07 (T+10.3d) Attempt to image AT2021kni on 2021-05-07.090 (10.3 days after discovery of transient) unfortunately failed due to bright sky conditions and failed autoguiding.

No Image

NGC 7767 with AT2021kni - 2021-08-14 (T+109.3d) Image below (2021-08-14.036) was taken 109.3 days after discovery of 2021kni Position of reported transient is shown by white circle. No clear definitive evidence of object at reported position. Transient AT2021kni has probably faded to below limiting magnitude of image (~ +18.0) Gaia observations (Gaia21cvt) on 2021-08-06 indicate that AT2021kni had faded to +19.74

Annotated CCD Image (150% size, square root scale, cropped) 3 x 180s exposure (average combine), 3x3 binning, C Filter 2021-08-14 01:05 UT (#905100-02) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

NGC 7767 with AT2021kni - 2021-08-28 (T+123.2d) Image below (2021-08-28.006) was taken 123.2 days after discovery of 2021kni Position of reported transient is shown by white circle. No clear definitive evidence of object at reported position. Transient AT2021kni has probably faded to below limiting magnitude of image (~ +18.0) Gaia observations (Gaia21cvt) on 2021-08-06 indicate that AT2021kni had faded to +19.74

CCD Image (150% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2021-08-28 00:18 UT (#909107-11) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

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SN 2021tyf - Type II Supernova (discovered 2021-07-24) in UGC 9479 (Attempt)

UGC 9479 with SN 2021tyf (Virgo) SN 2021tyf (Type: II) discovered 2021-07-24.206 UT by ZTF Alias: ZTF21abnvlnj, Gaia21dwq  ( Rochester Supernova site |  Gaia21dwq )

UGC 9479 - Spiral Galaxy Bright star is mag +7.85 star HIP 71915

Annotated CCD Image (50% size, square root scale) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2022-03-05 03:13 UT (#981069-73) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

UGC 9479 with SN 2021tyf - 2022-01-28 (T+188.0d) Image below (2022-01-28.208) was taken 188.0 days after discovery of 2021tyf Position of earlier SN (faded/no longer visible) in shown by white cross-hairs Glare at top of image is from HIP 71915 (Mag +7.85)

Annotated CCD Image (125% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2022-01-28 05:08 UT (#960131-35) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

UGC 9479 with SN 2021tyf - 2022-03-05 (T+223.9d) Image below (2022-03-05.128) was taken 223.9 days after discovery of 2021tyf Position of earlier SN (faded/no longer visible) in shown by white cross-hairs

Annotated CCD Image (125% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2022-03-05 03:13 UT (#981069-73) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

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SN 2021ucg - Type II Supernova (discovered 2021-07-25) in UGC 12188

UGC 12188 with SN 2021ucg (Lacerta) SN 2021ucg (Type: II) discovered 2021/07/25.516 UT by ATLAS Alias: ATLAS21bchd Host Alias : PGC 69727 (catalog mag +14.4)  (Rochester Supernova site | Odd Trondal image )

UGC 12188

Annotated CCD Image  (50% size, square root scale) 4 x 180s exposure (average combine), 3x3 binning, C Filter 2021-08-14 00:30 UT (#905083-87) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

UGC 12188 with SN 2021ucg Image sequence  T+19.5d to +113.4d (SN discovery, T = 2021-07-25.516 UT )

UGC 12188 with SN 2021ucg - 2021-08-14 (T+19.5d) Image below (2021-08-14.015) was taken 19.5 days after discovery of 2021ucg SN show by white cross-hairs Measured magnitude +16.5

Annotated CCD Image (125% size, square root scale, cropped) 4 x 180s exposure (average combine), 3x3 binning, C Filter 2021-08-14 00:30 UT (#905083-87) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

UGC 12188 with SN 2021ucg - 2021-11-15 (T+113.4d) Image below (2021-11-15.903) was taken 113.4 days after discovery of 2021ucg SN (faint) show by white cross-hairs Measured magnitude +17.0

CCD Image  (125% size, square root scale, cropped) 4 x 180s exposure (average combine), 3x3 binning, C Filter 2021-11-15 21:48 UT (#933022-26) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

UGC 12188 with SN 2021ucg - 2021-12-24 (T+152.4d) Image below (2021-12-24.912) was taken 152.4 days after discovery of 2021ucg Position of earlier SN (no longer visible) is shown by white cross-hairs

CCD Image  (125% size, square root scale, cropped) 2 x 180s exposure (average combine), 3x3 binning, C Filter 2021-12-24 22:00 UT (#944016-18) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

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SN 2021ukt - Type Ia Supernova (discovered 2021-07-31) in UGC 505

UGC 505 with SN 2021ukt (Cetus) SN 2021ukt (Type: Ia) discovered 2021/07/31.441 UT by ZTF Alias: ZTF21abpxquj, Gaia21dsv ( Rochester Supernova site | Stan Howerton image | Gaia21dsv )

UGC 505 with SN 2021ukt - 2021-08-14 (T+13.6d)

Annotated CCD Image (50% size, square root scale) 2 x 180s exposure (average combine), 3x3 binning, C Filter 2021-08-14 01:19 UT (#905106-07) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

UGC 505 with SN 2021ukt Image sequence  T+13.6d to +95.5d (SN discovery, T = 2021-07-31.441 UT )

UGC 505 with SN 2021ukt - 2021-08-14 (T+13.6d) Image below (2021-08-14.052) was taken 13.6 days after discovery of 2021ukt SN position is shown by white cross-hairs. Measured magnitude +15.75

Annotated CCD Image (125% size, square root scale, cropped) 2 x 180s exposure (average combine), 3x3 binning, C Filter 2021-08-14 01:19 UT (#905106-07) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

UGC 505 with SN 2021ukt - 2021-08-28 (T+27.6d) Image below (2021-08-28.053) was taken 27.6 days after discovery of 2021ukt SN position is shown by white cross-hairs. Measured magnitude +16.0

CCD Image (125% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2021-08-28 01:26 UT (#909151-55) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

UGC 505 with SN 2021ukt - 2021-09-01 (T+31.6d) Image below (2021-09-01.076) was taken 31.6 days after discovery of 2021ukt SN position is shown by white cross-hairs. Measured magnitude +16.05

CCD Image (125% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2021-09-01 01:58 UT (#910105-09) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

UGC 505 with SN 2021ukt - 2021-11-03 (T+95.5d) Image below (2021-11-03.933) was taken 95.5 days after discovery of 2021ukt No sign of any object at location of earlier supernova (shown by white cross-hairs) SN is presumed to have faded

Annotated CCD Image (125% size, square root scale, cropped) 3 x 180s exposure (average combine), 3x3 binning, C Filter 2021-11-03 22:33 UT (#931055-57) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

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SN 2021umh - Type Ia Supernova  (discovered 2021-08-01) in LEDA 2204848 (Attempt)

LEDA 2204848 with SN 2021umh (Andromeda) SN 2021umh (Type: Ia) discovered 2021-08-01.449 UT by ZTF Alias: ZTF21abqikvn Discovery mag +18.64  ( Rochester Supernova site | TNS 2021umh )  [ Supernovae ]

LEDA 2204848 - Galaxy LEDA 2204848 / PGC 2204848 (catalog mag 16.7) with adjacent galaxies PGC 9017 (catalog mag +15.6),   PGC 2204990 (catalog mag +16.0),  PGC 2204405 (catalog mag +16.8), PGC 2204898 (catalog mag +17.2),  PGC 2203419 (catalog mag +18.1)

Annotated CCD Image (50% size, square root scale) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2022-01-07 23:25 UT (#950131-35) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

LEDA 2204848 with SN 2021umh - 2022-01-07 (T+159.5d) Image below (2022-01-07.969) was taken 159.5 days after discovery of 2021umh Position of earlier SN (no longer distinguishable/not visible) is shown by white cross hairs. Measured magnitude +16.40 (gal. nucleus)

CCD Image  (150% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2022-01-07 23:25 UT (#950131-35) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Annotated negative CCD Image (150% size, square root scale, cropped) Image details as above

LEDA 2204848 with SN 2021umh - 2022-01-09 (T+161.3d) Image below (2022-01-09.756) was taken 161.3 days after discovery of 2021umh Position of earlier SN (no longer distinguishable/not visible) is shown by white cross hairs. Measured magnitude +16.40 (gal. nucleus) , unchanged

CCD Image  (150% size, square root scale, cropped) 3 x 180s exposure (average combine), 3x3 binning, C Filter 2022-01-09 18:22 UT (#952030-32) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of SN 2021umh (LEDA 2204848) on Supernovae 2021 Page >>

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SN 2021usd - Type Ia Supernova (discovered 2021-08-02) in CGCG 200-019  (Attempt)

CGCG 200-019 with SN 2021usd (Lyra) SN 2021usd (Type: Ia) discovered 2021-08-02.376 UT by PS1 Alias: PS21ijv, ZTF21abqftqr Discovery Magnitude +18.75  ( Rochester Supernova site | TNS 2021usd )

CGCG 200-019 - Galaxy

Annotated CCD Image (50% size, square root scale) 4 x 180s exposure (average combine), 3x3 binning, C Filter 2022-03-20 02:09 UT (#989157-60) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

CGCG 200-019 with SN 2021usd - 2022-02-10 (T+191.8d) Image below (2022-02-10.197) was taken 191.8 days after discovery of 2021usd Position of earlier SN (no longer visible) is shown by white cross-hairs

Annotated CCD Image (150% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2022-02-10 04:54 UT (#968277-81) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

CGCG 200-019 with SN 2021usd - 2022-03-20 (T+229.7d) Image below (2022-03-20.081) was taken 229.7 days after discovery of 2021usd Position of earlier SN (no longer visible) is shown by white cross-hairs

Annotated CCD Image (150% size, square root scale, cropped) 4 x 180s exposure (average combine), 3x3 binning, C Filter 2022-03-20 02:09 UT (#989157-60) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

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 SN 2021vau - Type Ia Supernova (discovered 2021-08-04) in Spiral Galaxy UGC 3240

UGC 3240 with SN 2021vau (Orion) SN 2021vau (Type: Ia, z=0.036) discovered 2021/08/04.610 UT by ASAS-SN Alias: ASASSN-21ou, Gaia21dzq Host Alias : PGC 16668 (catalog mag +15.5)  (Rochester Supernova site | Discovery image | Gaia21dzq )

UGC 3240 with SN 2021vau (T+23.5d)

CCD Image  (50% size, square root scale) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2021-08-28 03:07 UT (#909223-27) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

UGC 3240 with SN 2021vau - 2021-08-28 (T+23.5d) Image below (2021-08-28.124) was taken 23.5 days after discovery of 2021vau Supernova position (v. close to galaxy centre) shown by white indicator line Measured magnitude +15.7 (SN + Host Nucleus)

CCD Image  (150% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2021-08-28 03:07 UT (#909223-27) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

UGC 3240 with SN 2021vau - 2021-09-01 (T+27.5d) Image below (2021-09-01.115) was taken 27.5 days after discovery of 2021vau Supernova position (v. close to galaxy centre) shown by white indicator line Measured magnitude +15.8 (SN + Host Nucleus)

CCD Image  (150% size, square root scale, cropped) 4 x 180s exposure (average combine), 3x3 binning, C Filter 2021-09-01 02:52 UT (#910128-31) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

UGC 3240 with SN 2021vau - 2021-11-17 (T+104.4d) Image below (2021-11-17.012) was taken 104.4 days after discovery of 2021vau Supernova position (v. close to galaxy centre) shown by white indicator line Measured magnitude +16.0 (SN + Host Nucleus) (vs catalog mag for UGC/PGC 16668 of +15.5) Image quality degraded by bright moonlit sky

CCD Image  (150% size, square root scale, cropped) 3 x 180s exposure (average combine), 3x3 binning, C Filter 2021-11-17 00:26 UT (#934079-81) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

UGC 3240 with SN 2021vau - 2021-11-24 (T+111.4d) Image below (2021-11-24.049) was taken 111.4 days after discovery of 2021vau Supernova shown by white indicator line Measured magnitude +15.95 (SN + Host Nucleus) (vs catalog mag for UGC/PGC 16668 of +15.5)

CCD Image  (150% size, square root scale, cropped) 4 x 180s exposure (average combine), 3x3 binning, C Filter 2021-11-24 01:21 UT (#936167-70) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

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SN 2021vtl - Type Ia Supernova (discovered 2021-08-11) in NGC 940

NGC 940 with SN 2021vtl (Triangulum) SN 2021vtl (Type: Ia) discovered 2021-08-11.930 UT by XOSS Alias: PSP21D, Gaia21duk, PSN J02292803+3138385  (Rochester Supernova site )

NGC 940 with SN 2021vtl (T+20.1d)

Annotated CCD Image  (50% size, square root scale) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2021-09-01 01:29 UT (#910090-94) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

NGC 940 with SN 2021vtl - 2021-09-01 (T+20.1d) Image below (2021-09-01.056) was taken 20.1 days after discovery of 2021vtl SN is shown by white cross-hairs

Annotated CCD Image  (100% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2021-09-01 01:29 UT (#910090-94) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

NGC 940 with SN 2021vtl - 2021-09-28 (T+47.1d) Image below (2021-09-28.063) was taken 47.1 days after discovery of 2021vtl SN (faint) is shown by white cross-hairs

Annotated CCD Image  (125% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2021-09-28 01:40 UT (#917241-45) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

NGC 940 with SN 2021vtl - 2021-11-09 (T+90.0d) Image below (2021-11-09.940) was taken 90.0 days after discovery of 2021vtl Position of earlier reported SN is shown by white cross-hairs No indication of SN object, this is most probably because SN has faded combined with a poor image quality (due to poor guiding & no frame stacking)

Annotated CCD Image  (100% size, square root scale, cropped) 180s exposure (single frame), 3x3 binning, C Filter 2021-11-09 22:36 UT (#932114) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

NGC 940 with SN 2021vtl - 2021-11-17 (T+97.1d) Image below (2021-11-17.055) was taken 97.1 days after discovery of 2021vtl No indication of earlier SN object, this is most probably because SN has faded

Annotated CCD Image  (100% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2021-11-17 01:28 UT (#934116-20) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

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SN 2021wcu - Type Ia Supernova (discovered 2021-08-13) in GALEXASC J072024.60+325058.8

SN 2021wcu in GALEXASC J072024.60+325058.8 (Gemini) SN 2021wcu (Type: Ia) discovered 2021-08-13.497 UT by ZTF Alias: ZTF21abtdlno, Gaia21eaw  (Rochester Supernova site | TNS 2021wcu | Gaia21eaw )

GALEXASC J072024.60+325058.8 - Galaxy

Annotated CCD Image  (50% size, square root scale) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2022-02-09 21:54 UT (#968116-20) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

SN 2021wcu in GALEXASC J072024.60+325058.8 - 2022-01-22 (T+162.4d) Image below (2022-01-22.904) was taken 162.4 days after discovery of 2021wcu Position of SN (very faint) is shown by white cross-hairs.

Annotated CCD Image  (150% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2022-01-22 21:51 UT (#958092-96) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

SN 2021wcu in GALEXASC J072024.60+325058.8 - 2022-02-09 (T+180.4d) Image below (2022-02-09.906) was taken 180.4 days after discovery of 2021wcu Position of earlier SN (no longer visible) is shown by white cross-hairs.

Annotated CCD Image  (150% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2022-02-09 21:54 UT (#968116-20) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

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SN 2021wad - Type Ia Supernova (discovered 2021-08-15) in NGC 4896

NGC 4896 with SN 2021wad (Coma Berenices) SN 2021wad (Type: Ia, zhost=0.019864) discovered 2021/08/15.261 UT by ATLAS Alias: ATLAS21bgbp, Gaia21duy Magnitude +17.68 at discovery  (Rochester Supernova site, Gaia21duy )

NGC 4896 with SN 2021wad (T+9.6d) NGC 4896 Elliptical Galaxy, Alias UGC 8117 / PGC 44768, (catalog mag +13.9) with adjacent Galaxies :   PGC 44848 (catalog mag +14.9), PGC 44805 (catalig mag +15.7),   PGC 44750 (catalog mag +16.4) Note : satellite track crossing image close to NGC 4896

Annotated CCD Image  (50% size, square root scale) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2021-08-24 21:29 UT (#908005-09) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

NGC 4896 (T+176.8d)

Annotated CCD Image  (50% size, square root scale) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2022-02-08 02:05 UT (#966066-70) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

NGC 4896 with SN 2021wad Image sequence  T+7.6d to +176.8d (SN discovery, T = 2021-08-15.261 UT )

NGC 4896 with SN 2021wad - 2021-08-22 (T+7.6d) Image below (2021-08-22.894) was taken 7.6 days after discovery of 2021wad SN position is shown by white cross-hairs. Measured mag ?  (unable to resolve SN using SExtractor/CCDSoft)

Annotated CCD Image  (125% size, square root scale, cropped) 4 x 180s exposure (average combine), 3x3 binning, C Filter 2021-08-22 21:37 UT (#906005-09) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

NGC 4896 with SN 2021wad - 2021-08-24 (T+9.6d) Image below (2021-08-24.888) was taken 9.6 days after discovery of 2021wad SN position is shown by white cross-hairs. Measured mag ?    (unable to resolve SN using SExtractor/CCDSoft)

Annotated CCD Image  (125% size, square root scale, cropped) Image details as above

NGC 4896 with SN 2021wad - 2022-01-08 (T+145.9d) Image below (2022-01-08.113) was taken 145.9 days after discovery of 2021wad Position of earlier SN (no longer visible) is shown by white cross-hairs.

Annotated CCD Image  (125% size, square root scale, cropped) 2 x 180s exposure (average combine), 3x3 binning, C Filter 2022-01-08 02:47 UT (#950203-04) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

NGC 4896 with SN 2021wad - 2022-02-04 (T+172.9d) Image below (2022-02-04.167) was taken 172.9 days after discovery of 2021wad Position of earlier SN (no longer visible) is shown by white cross-hairs.

Annotated CCD Image  (125% size, square root scale, cropped) 3 x 180s exposure (average combine), 3x3 binning, C Filter 2022-02-04 04:10 UT (#962082-84) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

NGC 4896 with SN 2021wad - 2022-02-05 (T+173.8d) Image below (2022-02-05.084) was taken 173.8 days after discovery of 2021wad Position of earlier SN (no longer visible) is shown by white cross-hairs.

Annotated CCD Image  (125% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2022-02-05 02:11 UT (#963189-93) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

NGC 4896 with SN 2021wad - 2022-02-06 (T+174.8d) Image below (2022-02-06.067) was taken 174.8 days after discovery of 2021wad Position of earlier SN (no longer visible) is shown by white cross-hairs.

Annotated CCD Image  (125% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2022-02-06 01:45 UT (#964158-62) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

NGC 4896 with SN 2021wad - 2022-02-08 (T+176.8d) Image below (2022-02-08.080) was taken 176.8 days after discovery of 2021wad Position of earlier SN (no longer visible) is shown by white cross-hairs.

Annotated CCD Image  (125% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2022-02-08 02:05 UT (#966066-70) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

NGC 4896 with SN 2021wad - 2022-02-10 (T+178.9d) Image below (2022-02-10.112) was taken 178.9 days after discovery of 2021wad Position of earlier SN (no longer visible) is shown by white cross-hairs.

Annotated CCD Image  (125% size, square root scale, cropped) 4 x 180s exposure (average combine), 3x3 binning, C Filter 2022-02-10 02:49 UT (#968216-19) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

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SN 2021win - Type Ia Supernova (discovered 2021-08-18) in WISEA J050619.12+223047.4

SN 2021win (Taurus) Alias: In WISEA J050619.12+223047.4 SN 2021win (Type: Ia) discovered 2021-08-18.445 UT by ZTF Alias: ZTF21abuibjs, Gaia21dyd Magnitude at discovery ~ +16.4  (Rochester Supernova site | Gaia21dyd )

Galaxy with SN 2021win (T+109.4d) Position of reported SN is shown by white circle Bright star in FOV is HIP 23784 (magnitude +7.13)

Annotated CCD Image  (50% size, square root scale) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2021-12-05 20:12 UT (#939066-70) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

SN 2021win - 2021-12-05 (T+109.4d) Image below (2021-12-05.835) was taken 109.4 days after discovery of 2021win Position of reported SN is shown by white cross-hairs Host galaxy is faint but just visible. SN itself has probably faded and is no longer visible.

Annotated CCD Image  (150% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2021-12-05 20:12 UT (#939066-70) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

SN 2021win - 2021-12-29 (T+133.4d) Image below (2021-12-29.892) was taken 133.4 days after discovery of 2021win Position of reported SN is shown by white cross-hairs Host galaxy is faint but just visible. SN itself has probably faded and is no longer visible.

Annotated CCD Image  (150% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2021-12-29 21:33 UT (#946030-34) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

SN 2021win - 2022-01-07 (T+142.6d) Image below (2022-01-07.998) was taken 142.6 days after discovery of 2021win Position of reported SN is shown by white cross-hairs Host galaxy is faint but just visible. SN itself has probably faded and is no longer visible.

Annotated CCD Image  (150% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2022-01-08 00:06 UT (#950144-48) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

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SN 2021wqi - Type Ia Supernova (discovered 2021-08-20) in NGC 5513

NGC 5513 with SN 2021wqi (Bootes) SN 2021wqi : Type Ia (z=0.016724) discovered 2021/08/20.214 UT by Gaia Alias: Gaia21dxe Discovery Magnitude +17.68  (Rochester Supernova site, Gaia21duy )

NGC 5513 with SN 2021wqi (T+9.6d) NGC 5513 / PGC 50776, (catalog mag +14.9) with adjacent Galaxies :   NGC 5509 / PGC 50751 (catalog mag +14.1 or +15.1),  PGC 50761 (catalog mag +15.2)

Annotated CCD Image  (50% size, square root scaled) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2021-08-24 21:49 UT (#908013-17) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

NGC 5513 with SN 2021wqi  Image sequence  T+2.7d to +4.7d (SN discovery, T = 2021-08-20.214 UT )

NGC 5513 with SN 2021wqi - 2021-08-22 (T+2.7d) Image below (2021-08-22.910) was taken 2.7 days after discovery of 2021wqi SN position is close to center of galaxy and is not individually recognisable Measured mag ?  (unable to resolve SN using SExtractor/CCDSoft)

Annotated CCD Image  (125% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2021-08-22 22:00 UT (#906012-16) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

NGC 5513 with SN 2021wqi - 2021-08-24 (T+4.7d) Image below (2021-08-24.903) was taken 4.7 days after discovery of 2021wqi SN position is close to center of galaxy and is not individually recognisable Measured mag ?  (unable to resolve SN using SExtractor/CCDSoft)

Annotated CCD Image  (125% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2021-08-24 21:49 UT (#908013-17) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

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SN 2021wkv - Type Ia Supernova (discovered 2021-08-20) in NGC 6184  

NGC 6184 with SN 2021wkv (Hercules) SN 2021wkv (Type: Ia, zhost=0.027329) discovered 2021/08/20.277  UT by Alias: ATLAS21bgqy. Gaia21fab Magnitude +18.2 at discovery  (Rochester Supernova site | Rafa Ferrando Image ) [ Gaia21fab ]

NGC 6184 with SN 2021wkv (T+3.7d)

Annotated CCD Image  (50% size, square root scale) 2 x 180s exposure (average combine), 3x3 binning, C Filter 2021-08-24 00:15 UT (#907026-29) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

NGC 6184 with SN 2021wkv Image sequence  T+3.7d to +168.9d (SN discovery, T = 2021-08-20.277 UT )

NGC 6184 with SN 2021wkv - 2021-08-24 (T+3.7d) Image below (2021-08-24.003) was taken 3.7 days after discovery of 2021wkv SN position is shown by white cross-hairs. Measured mag +16.3

Annotated CCD Image (125% size, square root scale, cropped) 2 x 180s exposure (average combine), 3x3 binning, C Filter 2021-08-24 00:15 UT (#907026-29) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

NGC 6184 with SN 2021wkv - 2021-08-24 (T+4.6d) Image below (2021-08-24.919) was taken 4.6 days after discovery of 2021wkv SN position is shown by white cross-hairs. Measured mag +16.2

Annotated CCD Image  (125% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2021-08-24 22:13 UT (#908020-24) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

NGC 6184 with SN 2021wkv - 2021-09-01 (T+11.8d) Image below (2021-09-01.040) was taken 11.8 days after discovery of 2021wkv SN position is shown by white cross-hairs. Measured mag +15.95

Annotated CCD Image  (125% size, square root scale, cropped) 2 x 180s exposure (average combine), 3x3 binning, C Filter 2021-09-01 01:11 UT (#910086-87) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

NGC 6184 with SN 2021wkv - 2021-09-07 (T+18.6d) Image below (2021-09-07.876) was taken 18.6 days after discovery of 2021wkv SN position is shown by white cross-hairs. Measured mag +15.85 Image Link using Detection Threshold of 30.0

Annotated CCD Image  (125% size, square root scale, cropped) 4 x 180s exposure (average combine), 3x3 binning, C Filter 2021-09-07 21:10 UT (#912004-08) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

NGC 6184 with SN 2021wkv - 2021-09-21 (T+32.6d) Image below (2021-09-21.831) was taken 32.6 days after discovery of 2021wkv SN position is shown by white cross-hairs. Measured mag ? (unable to resolve SN in CCDSoft/SExtractor)

Annotated CCD Image  (125% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2021-09-21 20:05 UT (#915009-13) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

NGC 6184 with SN 2021wkv - 2021-09-27 (T+38.6d) Image below (2021-09-27.839) was taken 38.6 days after discovery of 2021wkv SN position is shown by white cross-hairs. Measured mag ? (unable to resolve SN in CCDSoft/Sextractor)

Annotated CCD Image  (125% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2021-09-27 20:17 UT (#917034-38) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

NGC 6184 with SN 2021wkv - 2022-02-05 (T+168.9d) Image below (2022-02-05.167) was taken 168.9 days after discovery of 2021wkv Position of earlier SN (no longer visible) is shown by white cross-hairs.

Annotated CCD Image  (125% size, square root scale, cropped) 2 x 180s exposure (average combine), 3x3 binning, C Filter 2022-02-05 04:05 UT (#963231-32) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

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SN 2021wuf - Type Ia Supernova (discovered 2021-08-23) in Spiral Galaxy NGC 6500

NGC 6500 with SN 2021wuf (Hercules) SN 2021wuf (Type: Ia) discovered 2021-08-23.372 UT by ATLAS Alias: ATLAS21bgsc  (Rochester Supernova site | Mantero Andrea image )

NGC 6500 with SN 2021wuf - 2021-09-07 (T+15.5d) NGC 6500 (catalog mag + 12.2 or +13.3) NGC 6501 / PGC 61128 (catalog mag + 12.4 or +13.9) SN position in NGC 6500 is shown by white cross-hairs. Bright star in image is HIP 87823 / SAO 103226 (mag +6.7)

Annotated CCD Image  (50% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2021-09-07 21:32 UT (#912011-15) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

NGC 6500 with SN 2021wuf - 2021-09-07 (T+15.5d) Image below (2021-09-07.891) was taken 15.5 days after discovery of 2021wuf SN position is shown by white cross-hairs. Measured mag +14.1 Image Link using Detection Threshold of 25.0

Annotated CCD Image  (100% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2021-09-07 21:32 UT (#912011-15) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

NGC 6500 with SN 2021wuf - 2021-09-27 (T+35.5d) Image below (2021-09-27.876) was taken 35.5 days after discovery of 2021wuf SN position is shown by white cross-hairs. Measured mag +15.2 Image Link using Detection Threshold of 30.0

Annotated CCD Image  (100% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2021-09-27 21:12 UT (#917054-58) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

NGC 6500 with SN 2021wuf - 2022-02-24 (T+184.8d) Image below (2022-02-24.203) was taken 184.8 days after discovery of 2021wuf Position of earlier SN (faded & no longer visible) is shown by white cross-hairs.

Annotated CCD Image  (100% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2022-02-24 05:02 UT (#976255-59) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

NGC 6500 with SN 2021wuf - 2022-03-05 (T+193.8d) Image below (2022-03-05.158) was taken 193.8 days after discovery of 2021wuf Position of earlier SN (faded & no longer visible) is shown by white cross-hairs.

Annotated CCD Image  (100% size, square root scale, cropped) 4 x 180s exposure (average combine), 3x3 binning, C Filter 2022-03-05 03:55 UT (#981083-86) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

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SN 2021wvy - Type II Supernova (discovered 2021-08-23) in UGC 4002

UGC 4002 with SN 2021wvy (Lynx) SN 2021wvy (Type: II) discovered 2021-08-23.520 UT by ZTF Alias: ZTF21abvdikq, Gaia21dym Magnitude at discovery +18.02  ( Rochester Supernova site ) [ Gaia21dym ]

UGC 4002 with SN 2021wvy (T+8.5d) Bright star in FOV is HIP 37917 (mag +7.0)

Annotated CCD Image  (100% size, square root scale) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2021-09-01 00:45 UT (#910075-79) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

UGC 4002 with SN 2021wvy - 2021-09-01 (T+8.5d) Image below (2021-09-01.025) was taken 8.5 days after discovery of 2021wv The reported transient (faint) is shown by white cross-hairs

Annotated CCD Image  (150% size, square root scale, cropped 5 x 180s exposure (average combine), 3x3 binning, C Filter 2021-09-01 00:45 UT (#910075-79) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

UGC 4002 with SN 2021wvy - 2021-12-29 (T+127.5d) Image below (2021-12-29.047) was taken 127.5 days after discovery of 2021wv Position of earlier SN (no longer visible) is shown by white cross-hairs

Annotated CCD Image  (150% size, square root scale, cropped 5 x 180s exposure (average combine), 3x3 binning, C Filter 2021-12-29 01:16 UT (#945134-38) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

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SN 2021wvw - Type II Supernova  (discovered 2021-08-24) in Irregular Galaxy UGC 2605

UGC 2605 with SN 2021wvw (Perseus) SN 2021wvw (Type: II, z=0.009944) discovered 2021-08-24.606 UT by PS1 Alias: PS21jnb Host Alias : PGC 12073  (Rochester Supernova site )

UGC 2605 with SN 2021wvw (T+3.5d)

CCD Image  (50% size, square root scale) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2021-08-28 02:46 UT (#909215-19) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

UGC 2605 with SN 2021wvw - 2021-08-28 (T+3.5d) Image below (2021-08-28.109) was taken 3.5 days after discovery of 2021wvw Supernova shown by white cross-hairs Measured magnitude +17.35 (linked with Detection Threshold = 3)

CCD Image  (125% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2021-08-28 02:46 UT (#909215-19) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

UGC 2605 with SN 2021wvw - 2021-09-01 (T+7.5d) Image below (2021-09-01.090) was taken 7.5 days after discovery of 2021wvw Supernova shown by white cross-hairs Measured magnitude +17.6

CCD Image  (125% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2021-09-01 02:18 UT (#910112-16) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

UGC 2605 with SN 2021wvw - 2021-09-28 (T+34.6d) Image below (2021-09-28.159) was taken 34.6 days after discovery of 2021wvw Supernova shown by white cross-hairs Measured magnitude +17.6

CCD Image  (125% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2021-09-28 03:58 UT (#917296-300) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

UGC 2605 with SN 2021wvw - 2021-10-31 (T+67.4d) Image below (2021-10-31.006) was taken 67.4 days after discovery of 2021wvw Supernova shown by white cross-hairs Measured magnitude +17.9 (linked with Detection Threshold = 30 with Inventory based on Detection Threshold 3)

CCD Image  (125% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2021-10-31 00:17 UT (#930135-39) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

UGC 2605 with SN 2021wvw - 2021-12-13 (T+111.2d) Image below (2021-12-13.804) was taken 111.2 days after discovery of 2021wvw Position of earlier Supernova (no longer visible) is shown by white cross-hairs

Annotated CCD Image  (125% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2021-12-13 19:28 UT (#941063-67) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

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SN 2021xgx - Type Ia Supernova (discovered 2021-08-29) in Spiral Galaxy UGC 10607

UGC 10607 with SN 2021xgx (Hercules) SN 2021xgx (Type: Ia) discovered 2021-08-29.711 UT by ASAS-SN Alias: ASASNS-21qp, Gaia21ebg ( Rochester Supernova site | Manfred Mrotzek image | Gaia21ebg )

UGC 10607 with SN 2021xgx - 2021-09-08 (T+10.2d) Image below (2021-09-08.879) was taken 10.2 days after discovery of 2021xgx Reported SN position is shown by white cross-hairs. Measured magnitude +15.1 (SN + Galaxy Nucleus)

CCD Image (125% size, square root scale, cropped) 3 x 180s exposure (average combine), 3x3 binning, C Filter 2021-09-08 21:12 UT (#913004-06) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

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SN 2021yok -  Type II Supernova (discovered 2021-09-10) in UGC 3873

UGC 3873 with SN 2021yok (Gemini) SN 2021yok (Type: II) discovered 2021-09-10.577 UT by ATLAS Alias: ATLAS21bika, Gaia21ehd  (Rochester Supernova site | Odd Trondal image )

CCD Image  (50% size, square root scale) 4 x 180s exposure (average combine), 3x3 binning, C Filter 2021-10-31 04:23 UT (#930240-43) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

UGC 3873 with SN 2021yok - 2021-10-31 (T+50.6d) Image below (2021-10-31.175) was taken 50.6 days after discovery of 2021yok Supernova (faint) is shown by white cross-hairs

CCD Image  (125% size, square root scale, cropped) 4 x 180s exposure (average combine), 3x3 binning, C Filter 2021-10-31 04:23 UT (#930240-43) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

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SN 2021zby - Type II Supernova (discovered 2021-09-17) in NGC 1166

NGC 1166 with SN 2021zby (Aries) SN 2021zby (Type: II) discovered 2021-09-17.453 UT by ATLAS Alias: ATLAS21bixf  ( Rochester Supernova site | Enrico Prosperi image )

CCD Image  (50% size, square root scale) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2021-10-30 23:03 UT (#930090-94) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

NGC 1166 with SN 2021zby - 2021-09-28 (T+10.7d) Image below (2021-09-28.144) was taken 10.7 days after discovery of 2021zby Supernova (faint) is shown by white cross-hairs Poor quality image (single frame & poor sky conditions)

Annotated CCD Image  (150% size, square root scale, cropped) 180s exposure (single frame), 3x3 binning, C Filter 2021-09-28 03:43 UT (#917292) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

NGC 1166 with SN 2021zby - 2021-10-30 (T+43.5d) Image below (2021-10-30.954) was taken 43.5 days after discovery of 2021zby Supernova (faint) is shown by white cross-hairs

CCD Image  (150% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2021-10-30 23:03 UT (#930090-94) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

NGC 1166 with SN 2021zby - 2021-11-15 (T+59.5d) Image below (2021-11-15.969) was taken 59.5 days after discovery of 2021zby Image quality poor (high cloud & bright moonlit sky). No sign of earlier supernova (either faded or noise levels too high for detection

Annotated CCD Image  (150% size, square root scale, cropped) 4 x 180s exposure (average combine), 3x3 binning, C Filter 2021-11-15 23:23 UT (#933061-64) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

NGC 1166 with SN 2021zby - 2021-11-28 (T+72.5d) Image below (2021-11-28.942) was taken 72.5 days after discovery of 2021zby Supernova (very faint) is shown by white cross-hairs Poor quality image (poor guiding / single frame)

Annotated CCD Image  (150% size, square root scale, cropped) 180s exposure (single frame), 3x3 binning, C Filter 2021-11-28 22:39 UT (#938066) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

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SN 2021zju - Type Ib Supernova (discovered 2021-09-24) in NGC 9

NGC 9 with SN 2021zju (Pegasus) SN 2021zju (Type: Ib) discovered 2021-09-24.483 UT by ATLAS Alias: ATLAS21bjbm, ZTF21acdxhuv  (Rochester Supernova site | Enrico Prosperi image )

CCD Image  (50% size, square root scale) 4 x 180s exposure (average combine), 3x3 binning, C Filter 2021-10-31 02:57 UT (#930176-80) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

NGC 9 with SN 2021zju - 2021-09-27 (T+3.3d) Image below (2021-09-27.811) was taken 3.3 days after discovery of 2021zju Supernova is shown by white cross-hairs

Annotated CCD Image  (150% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2021-09-27 19:38 UT (#917003-07) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

NGC 9 with SN 2021zju - 2021-10-31 (T+36.6d) Image below (2021-10-31.117) was taken 36.6 days after discovery of 2021zju Supernova (faint) is shown by white cross-hairs

CCD Image  (150% size, square root scale, cropped) 4 x 180s exposure (average combine), 3x3 binning, C Filter 2021-10-31 02:57 UT (#930176-80) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

NGC 9 with SN 2021zju - 2021-11-19 (T+56.4d) Image below (2021-11-19.879) was taken 56.4 days after discovery of 2021zju Position of earlier supernova is shown by white cross-hairs

Annotated CCD Image  (150% size, square root scale, cropped) 4 x 180s exposure (average combine), 3x3 binning, C Filter 2021-11-19 21:14 UT (#935130-33) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

NGC 9 with SN 2021zju - 2021-11-23 (T+60.3d) Image below (2021-11-23.798) was taken 60.3 days after discovery of 2021zju Position of SN (faint) is shown by white cross-hairs

Annotated CCD Image  (150% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2021-11-23 19:18 UT (#936065-69) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

NGC 9 with SN 2021zju - 2021-11-24 (T+61.4d) Image below (2021-11-24.877) was taken 61.4 days after discovery of 2021zju Position of supernova (faint) is shown by white cross-hairs

Annotated CCD Image  (150% size, square root scale, cropped) 3 x 180s exposure (average combine), 3x3 binning, C Filter 2021-11-24 21:15 UT (#937155-57) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

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SN 2021aalq - Type II Supernova (discovered 2021-10-03) in WISEA J095040.62+475756.9

WISEA J095040.62+475756.9 with SN 2021aalq (Ursa Major) SN 2021aalq (Type: II) discovered 2021-10-03.620 UT by ASAS-SN Alias: ASASSN-21sj, Gaia21etp [ TNS 2021aalq ]

WISEA J095040.62+475756.9 - Galaxy

Annotated CCD Image (100% size, square root scale, cropped) 4 x 180s exposure (average combine), 3x3 binning, C Filter 2022-01-09 04:05 UT (#951080-84) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

WISEA J095040.62+475756.9 with SN 2021aalq - 2022-01-09 (T+97.5d) Image below (2022-01-09.163) was taken 97.5 days after discovery of 2021aalq Position of SN (faint) is indicated by white cross hairs.

Annotated CCD Image (125% size, square root scale, cropped) 4 x 180s exposure (average combine), 3x3 binning, C Filter 2022-01-09 04:05 UT (#951080-84) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

WISEA J095040.62+475756.9 with SN 2021aalq - 2022-01-09, Detail (T+97.5d)

Annotated CCD Image (200% size, square root scale, cropped) Image details as above

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SN 2021aazm - Type II Supernova (discovered 2021-10-09) in UGC 235

UGC 235 with SN 2021aazm (Andromeda) SN 2021aazm (Type: II) discovered 2021-10-09.830 UT by XOSS Alias: XM75HT  (Rochester Supernova site | Stan Howerton image )

UGC 235

CCD Image  (50% size, square root scale) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2021-11-03 22:11 UT (#931045-49) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

UGC 235 with SN 2021aazm - 2021-10-30 (T+21.1d) Image below (2021-10-30.906) was taken 21.1 days after discovery of 2021aazm Supernova (faint) shown by white cross-hairs

CCD Image  (150% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2021-10-30 21:55 UT (#930051-55) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

UGC 235 with SN 2021aazm - 2021-11-03 (T+25.1d) Image below (2021-11-03.917) was taken 25.1 days after discovery of 2021aazm Supernova (faint) shown by white cross-hairs

CCD Image  (150% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2021-11-03 22:11 UT (#931045-49) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

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SN 2021abcw - Type Ibn Supernova (discovered 2021-10-11) in UGC 5751

UGC 5751 with SN 2021abcw (Leo) SN 2021abcw (Type: Ibn) discovered 2021-10-11.480 UT by ASAS-SN Alias: ASASSN-21td, Gaia21ewv  (Rochester Supernova site | Discovery Image )

UGC 5751 with SN 2021abcw UGC 5731 / PGC 31388 (catalog mag +14.7) with adjacent galaxies  PGC 31434 (catalog mag +14.9), PGC 31394 (catalog mag +15.9) PGC 31386 (catalog mag +15.6), PGC 1643010 (catalog mag +16.6),  PGC 1642183 (catalog mag +17.6), PGC 1641820 (catalog mag +18.0)

Annotated CCD Image  (50% size, square root scale) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2021-11-17 04:09 UT (#934206-10) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

UGC 5751 with SN 2021abcw - 2021-11-17 (T+36.7d) Image below (2021-11-17.167) was taken 36.7 days after discovery of 2021abcw SN (faint) shown by white cross-hairs

Annotated CCD Image  (150% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2021-11-17 04:09 UT (#934206-10) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

UGC 5751 with SN 2021abcw - 2021-11-20 (T+39.7d) Image below (2021-11-20.135) was taken 39.7 days after discovery of 2021abcw Poor quality low signal-to-noise image (cloud & single frame). Earlier SN position shown by white cross-hairs

Annotated CCD Image  (150% size, square root scale, cropped) 180s exposure (single frame), 3x3 binning, C Filter 2021-11-20 03:17 UT (#935199) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

UGC 5751 with SN 2021abcw - 2021-11-24 (T+43.7d) Image below (2021-11-24.185) was taken 43.7 days after discovery of 2021abcw Position of reported SN (not visible) is shown by white cross-hairs

Annotated CCD Image  (150% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2021-11-24 04:36 UT (#936289-93) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

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SN 2021abjr - Type Ia Supernova (discovered 2021-10-13) in WISEA J102139.24+062408.7

SN 2021abjr (Leo) Alias: In WISEA J102139.24+062408.7 SN 2021abjr (Type: Ia) discovered 2021-10-13.620 UT by ASAS-SN Alias: ASASSN-21tf  ( Rochester Supernova site )

WISEA J102139.24+062408.7 with SN 2021abjr - 2022-01-27 (T+106.4d) Image below (2022-01-27.992) was taken 106.4 days after discovery of 2021abjr Position of earlier SN (faint / indistinguishable ?) is shown by white cross-hairs

Annotated CCD Image (100% size, square root scale, cropped) 4 x 180s exposure (average combine), 3x3 binning, C Filter 2022-01-27 23:57 UT (#960088-91) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

WISEA J102139.24+062408.7 with SN 2021abjr - 2022-03-21 (T+159.4d) Image below (2022-03-21.988) was taken 159.4 days after discovery of 2021abjr Position of earlier SN (faint  / indistinguishable ?) is shown by white cross-hairs

Annotated CCD Image (100% size, square root scale, cropped) 4 x 180s exposure (average combine), 3x3 binning, C Filter 2022-03-21 23:50 UT (#991110-13) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

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SN 2021abkm - Type II Supernova (discovered 2021-10-14) in NGC 6627

NGC 6627 with SN 2021abkm (Hercules) SN 2021abkm (Type: II) discovered 2021-10-14.208 UT by ATLAS Alias: ATLAS21bkcp, Gaia21ewt  (Rochester Supernova site | Enrico Prosperi image | Gaia21ewt )

NGC 6627 with SN 2021abkm  (T+40.6d)

Annotated CCD Image  (150% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2021-11-23 18:32 UT (#936019-23) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

NGC 6627 with SN 2021abkm - 2021-11-23 (T+40.6d) Image below (2021-11-23.766) was taken 40.6 days after discovery of 2021abkm SN (faint) is shown by white cross-hairs Object confirmed not to be a known foreground star using Aladin

Annotated CCD Image  (150% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2021-11-23 18:32 UT (#936019-23) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

NGC 6627 with SN 2021abkm - 2021-11-28 (T+45.6d) Image below (2021-11-28.803) was taken 45.6 days after discovery of 2021abkm Position of earlier SN (not visible) is shown by white cross-hairs Due to low altitude & poor guiding the signal/noise ratio in the image isn't high enough to show the faint SN which was only just visible at time of last observation (T+40.6d)

Annotated CCD Image  (150% size, square root scale, cropped) 2 x 180s exposure (average combine), 3x3 binning, C Filter 2021-11-28 19:22 UT (#938005-06) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

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SN 2021abko - Type Ia Supernova (discovered 2021-10-14) in IC 190

IC 190 (Aries) IC 190 / PC 7731 (catalog mag +14.2 or + 15.2) with other galaxies in field of view IC 189 (catalog mag + 14.1),  PGC 7758 (catalog mag +15.7), PGC 7729 (catalog mag +16.6), PGC 7764 (catalog mag +17.7)

CCD Image  (50% size, square root scale) 3 x 180s exposure (average combine), 3x3 binning, C Filter 2021-11-03 21:26 UT (#931030-33) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

IC 190 with SN 2021abko (Aries) SN 2021abko (Type: Ia) discovered 2021-10-14.520 UT by ASAS-SN Alias: ASASSN-21tk, ZTF19acetzrc  (Rochester Supernova site )

IC 190 with SN 2021abko - 2021-10-30 (T+16.4d) Image below (2021-10-30.942) was taken 16.4 days after discovery of 2021abko Galaxy with supernova shown by white cross-hairs Measured magnitude of galaxy + SN is +14.55 (vs host galaxy catalog mag of +14.2 or +15.2) Possible evidence for supernova in the second host galaxy magnitude case

CCD Image  (125% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2021-10-30 22:45 UT (#930084-88) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

IC 190 with SN 2021abko - 2021-11-03 (T+20.4d) Image below (2021-11-03.888) was taken 20.4 days after discovery of 2021abko Galaxy with supernova shown by white cross-hairs Measured magnitude of galaxy + SN is +14.6 (vs host galaxy catalog mag of +14.2 or +15.2) Possible evidence for supernova in the second host galaxy magnitude case

CCD Image  (125% size, square root scale, cropped) 3 x 180s exposure (average combine), 3x3 binning, C Filter 2021-11-03 21:26 UT (#931030-33) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

IC 190 with SN 2021abko - 2021-11-09 (T+26.3d) Image below (2021-11-09.857) was taken 26.3 days after discovery of 2021abko Galaxy with supernova shown by white cross-hairs Measured magnitude of galaxy + SN is +14.6 (vs host galaxy catalog mag of +14.2 or +15.2) Possible evidence for supernova in the second host galaxy magnitude case

Annotated CCD Image  (125% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2021-11-09 20:44 UT (#932038-42) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

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SN 2021abzd - Type Ia 91bg-like (discovered 2021-10-22) in NGC 233 (Attempt)

NGC 233 with SN 2021abzd (Andromeda) SN 2021abzd (Type: Ia-91bg-like) discovered 2021-10-22.418 UT by ATLAS Alias: ATLAS21bkka, PS21ljw, ZTF21acincqb Discovery Magnitude +17.30  ( Rochester Supernova site | TNS AT2021abzd  )

NGC 233 - Elliptical Galaxy

Annotated CCD Image (50% size, square root scale) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2022-01-09 20:00 UT (#952083-87) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

NGC 233 with SN 2021abzd - 2022-01-09 (T+79.4d) Image below (2022-01-09.827) was taken 79.4 days after discovery of 2021abzd Position of reported SN (not visible) is shown by white cross-hairs

Annotated CCD Image (150% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2022-01-09 20:00 UT (#952083-87) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Negative CCD Image (150% size, square root scale, cropped) Image details as above

Images of SN 2021abzd (NGC 233) on Supernova 2021 Page >>

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SN 2021aceu - Type Ia Supernova (discovered 2021-10-22) in UGC 811

UGC 811 with SN 2021aceu (Andromeda) SN 2021aceu (Type: Ia) discovered 2021-10-22.320 UT by ASAS-SN Alias: ASASSN-21tu  (Rochester Supernova site | Discovery Image )

UGC 811 /  PGC 4579

Annotated CCD Image (50% size, square root scale) 2 x 180s exposure (average combine), 3x3 binning, C Filter 2021-11-15 22:47 UT (#933045-46) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

UGC 811 with SN 2021aceu - 2021-11-15 (T+24.6d) Image below (2021-11-15.944) was taken 24.6 days after discovery of 2021aceu SN position shown by white cross-hairs is very close to center of host galaxy Measured magnitude +15.2 (galaxy + SN)     vs  +15.9 (galaxy's catalog mag)

Annotated CCD Image (125% size, square root scale, cropped) 2 x 180s exposure (average combine), 3x3 binning, C Filter 2021-11-15 22:47 UT (#933045-46) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

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SN 2021aclv (?) - Type Ia Supernova (discovered 2021-10-30) in NGC 327

NGC 327 (Cetus) with  adjacent galaxies NGC 327 (catalog mag +13.5) NGC 329 (catalog mag +14.3), NGC 325 (catalog mag +14.8),  PGC 3435 (catalog mag +14.6), NGC 321 (catalog mag +15.0)

Annotated CCD Image  (50% size, square root scale) 4 x 180s exposure (average combine), 3x3 binning, C Filter 2021-11-03 22:52 UT (#931062-66) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

NGC 327 with SN SN 2021aclv (Cetus) SN 2021aclv (Type: Ia) discovered 2021-10-30.214 UT by ZTF Alias: ZTF21acjeegy  (Rochester Supernova site )

NGC 327 with SN 2021aclv - 2021-11-03 (T+4.7d) Image below (2021-11-03.947) was taken 4.7 days after reported discovery of 2021aclv Supernova's reported position is shown by white cross-hairs It is not possible to demonstrate presence of SN as it is  too close to the host galaxy's nucleus and too dim Measured magnitude +15.2 (nucleus + SN) vs Host Galaxy catalog mag (+13.5 or +14.1) & SN reported magnitude at discovery (+17.3) The bright object lying above the galaxy is confirmed to be a star (Aladin)

Annotated CCD Image  (100% size, square root scale, cropped) 4 x 180s exposure (average combine), 3x3 binning, C Filter 2021-11-03 22:52 UT (#931062-66) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

NGC 327 with SN 2021aclv - 2021-11-19 (T+20.6d) Image below (2021-11-19.851) was taken 20.6 days after reported discovery of 2021aclv Supernova's reported position is shown by white cross-hairs Measured magnitude +15.2 (nucleus + SN), no change vs Host Galaxy catalog mag (+13.5 or +14.1)

Annotated CCD Image  (100% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2021-11-19 20:36 UT (#935109-13) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

NGC 327 with SN 2021aclv - 2021-11-23 (T+24.6d) Image below (2021-11-23.813) was taken 24.6 days after reported discovery of 2021aclv Supernova's reported position is shown by white cross-hairs Measured magnitude +15.2 (nucleus + SN) , no change vs Host Galaxy catalog mag (+13.5 or +14.1) & SN reported magnitude at discovery (+17.3)

Annotated CCD Image  (100% size, square root scale, cropped) 3 x 180s exposure (average combine), 3x3 binning, C Filter 2021-11-23 19:37 UT (#936074-76) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

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SN 2021adpe - Type Ia Supernova (discovered 2021-11-04) in UGC 8975

UGC 8975 with SN 2021adpe (Canes Venatici) 2021adpe (Type: Ia, z=0.009) discovered 2021-11-04.975 UT by Gaia Alias: Gaia21fas,  Mag +17.76 at discovery  (Rochester Supernova site | Gaia21fas )

Annotated CCD Image  (50% size, square root scale) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2021-11-17 05:48 UT (#934261-65) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

UGC 8975 with SN 2021adpe - 2021-11-17 (T+12.3d) Image below (2021-11-17.235) was taken 12.3 days after discovery of 2021adpe Position of reported Candiate SN shown by white cross-hairs Measured Magnitude ? (unable to extract object in CCDSoft/Sextractor)

Annotated CCD Image  (150% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2021-11-17 05:48 UT (#934261-65) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

UGC 8975 with SN 2021adpe - 2021-11-24 (T+19.8d) Image below (2021-11-24.747) was taken 19.8 days after discovery of 2021adpe Position of earlier SN shown by white cross-hairs Image quality very poor due to wind vibration / poor seeing

Annotated CCD Image  (150% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2021-11-24 18:05 UT (#937012-16) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

UGC 8975 with SN 2021adpe - 2022-01-02 (T+58.3d) Image below (2022-01-02.240) was taken 58.3 days after discovery of 2021adpe Position of SN (very faint) is shown by white cross-hairs

Annotated CCD Image  (150% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2022-01-02 05:55 UT (#947280-84) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

UGC 8975 with SN 2021adpe - 2022-01-04 (T+60.1d) Image below (2022-01-04.074) was taken 60.1 days after discovery of 2021adpe Position of SN (very faint) shown by white cross-hairs

Annotated CCD Image  (150% size, square root scale, cropped) 3 x 180s exposure (average combine), 3x3 binning, C Filter 2022-01-04 01:54 UT (#948138-40) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

UGC 8975 with SN 2021adpe - 2022-01-06 (T+62.2d) Image below (2022-01-06.197) was taken 62.2 days after discovery of 2021adpe Position of SN (very faint) shown by white cross-hairs

Annotated CCD Image  (150% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2022-01-06 04:52 UT (#949113-17) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

UGC 8975 with SN 2021adpe - 2022-01-09 (T+65.3d) Image below (2022-01-09.240) was taken 65.3 days after discovery of 2021adpe Position of SN (very faint) shown by white cross-hairs

Annotated CCD Image  (150% size, square root scale, cropped) 2 x 180s exposure (average combine), 3x3 binning, C Filter 2022-01-09 05:49 UT (#951118-19) 12" LX200R (at f/10.4) + ST-10XME Unguided

UGC 8975 with SN 2021adpe - 2022-01-11 (T+67.3d) Image below (2022-01-11.247) was taken 67.3 days after discovery of 2021adpe Position of SN (very faint) shown by white cross-hairs

Annotated CCD Image  (150% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2022-01-11 06:04 UT (#953048-52) 12" LX200R (at f/10.4) + ST-10XME Unguided

UGC 8975 with SN 2021adpe - 2022-01-26 (T+82.2d) Image below (2022-01-26.152) was taken 82.2 days after discovery of 2021adpe Position of ear;ier SN (not visible / not distinguishable) shown by white cross-hairs Poor quality image (passing cloud)

Annotated CCD Image  (150% size, square root scale, cropped) 2 x 180s exposure (average combine), 3x3 binning, C Filter 2022-01-26 03:49 UT (#959152-54) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

UGC 8975 with SN 2021adpe - 2022-01-29 (T+85.2d) Image below (2022-01-29.156) was taken 85.2 after discovery of 2021adpe Position of SN (no longer visible) shown by white cross-hairs

Annotated CCD Image  (150% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2022-01-29 03:55 UT (#961126-30) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

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SN 2021aefs - Type II Supernova (discovered 2021-11-09) in NGC 3836

NGC 3836 with SN 2021aefs (Crater) SN 2021aefs (Type: II) discovered 2021-11-09.272 UT by Gaia Alias: Gaia21fch Transient Alert triggered at mag +18.36  ( Rochester Supernova site |  Gaia21fch )

NGC 3836 - Spiral Galaxy

Annotated CCD Image (50% size, square root scale) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2022-03-05 01:46 UT (#981041-45) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

NGC 3836 with SN 2021aefs - 2021-12-17 (T+38.0d) Image below (2021-12-17.224) was taken 38.0 days after discovery of 2021aefs Poor quality image - single unguided frame / bright sky

CCD Image (100% size, square root scale, cropped) 180s exposure (single frame), 3x3 binning, C Filter 2021-12-17 05:38 UT (#942340) 12" LX200R (at f/10.4) + ST-10XME Non-Guided

NGC 3836 with SN 2021aefs - 2022-03-05 (T+115.8d) Image below (2022-03-05.067) was taken 115.8 days after discovery of 2021aefs Position of earlier SN (presumed to have faded) in shown by white cross-hais

CCD Image (100% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2022-03-05 01:46 UT (#981041-45) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

NGC 3836 with SN 2021aefs - 2022-03-06 (T+116.7d) Image below (2022-03-06.020) was taken 116.7 days after discovery of 2021aefs Position of earlier SN (presumed to have faded) in shown by white cross-hais

CCD Image (100% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2022-03-06 00:39 UT (#982138-42) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

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SN 2021afkk - Type II Supernova (discovered 2021-11-25) in UGC 1971

UGC 1971 with SN 2021afkk (Triangulum) SN 2021afkk (Type: II) discovered 2021-11-25.371 UT by ATLAS Alias: ATLAS21bmvp. Magnitude +18.2 at discovery.   Distance 196 Mly (60 Mpc)  ( Rochester Supernova site | AstroNote ATLAS21bmvp )

UGC 1971 with SN 2021afkk (T+3.7d)

Annotated CCD Image  (550% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2021-11-29 01:27 UT (#938102-06) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

UGC 1971 with SN 2021afkk - 2021-11-29 (T+3.7d) Image below (2021-11-29.054) was taken 3.7 days after discovery of 2021afkk Supernova (very faint) is shown by white cross-hairs Measured magnitude +15.0 (SN + Galaxy Nucleus) Poor quality image (poor signal/noise)

Annotated CCD Image  (125% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2021-11-29 01:27 UT (#938102-06) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

UGC 1971 with SN 2021afkk - 2021-12-17 (T+22.4d) Image below (2021-12-17.815) was taken 22.4 days after discovery of 2021afkk Supernova reported position is shown by white cross-hairs Measured magnitude +15.0 (SN + Galaxy Nucleus)  - unchanged since T+3.7d Poor quality image (bright sky background)

Annotated CCD Image  (125% size, square root scale, cropped) 3 x 180s exposure (average combine), 3x3 binning, C Filter 2021-12-17 19:43 UT (#943037-39) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

UGC 1971 with SN 2021afkk - 2021-12-28 (T+33.6d) Image below (2021-12-28.966) was taken 33.6 days after discovery of 2021afkk Supernova reported position is shown by white cross-hairs Measured magnitude +15.25 (SN + Galaxy Nucleus)  - fading ?

Annotated CCD Image  (125% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2021-12-28 23:20 UT (#945083-87) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

UGC 1971 with SN 2021afkk - 2022-01-02 (T+37.7d) Image below (2022-01-02.075) was taken 37.7 days after discovery of 2021afkk Supernova reported position is shown by white cross-hairs Measured magnitude +15.33 (SN + Galaxy Nucleus)  - fading

Annotated CCD Image  (125% size, square root scale, cropped) 2 x 180s exposure (average combine), 3x3 binning, C Filter 2022-01-02 01:55 UT (#947201-03) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

UGC 1971 with SN 2021afkk - 2022-01-05 (T+41.5d) Image below (2022-01-05.858) was taken 41.5 days after discovery of 2021afkk Supernova reported position is shown by white cross-hairs Measured magnitude +15.31 (SN + Galaxy Nucleus)

Annotated CCD Image  (125% size, square root scale, cropped) 4 x 180s exposure (average combine), 3x3 binning, C Filter 2022-01-05 20:46 UT (#949045-49) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

UGC 1971 with SN 2021afkk - 2022-01-07 (T+43.6d) Image below (2022-01-07.984) was taken 43.6 days after discovery of 2021afkk Supernova reported position is shown by white cross-hairs Measured magnitude +15.34 (SN + Galaxy Nucleus)

Annotated CCD Image  (125% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2022-01-07 23:46 UT (#950137-41) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

UGC 1971 with SN 2021afkk - 2022-01-09 am (T+44.7d) Image below (2022-01-09.035) was taken 44.7 days after discovery of 2021afkk Supernova reported position is shown by white cross-hairs Measured magnitude +15.38 (SN + Galaxy Nucleus)

Annotated CCD Image  (125% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2022-01-09 01:00 UT (#951003-07) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

UGC 1971 with SN 2021afkk - 2022-01-09 pm (T+45.4d) Image below (2022-01-09.792) was taken 45.4 days after discovery of 2021afkk Supernova reported position is shown by white cross-hairs Measured magnitude +15.38 (SN + Galaxy Nucleus), Unchanged

Annotated CCD Image  (125% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2022-01-09 19:11 UT (#952058-62) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

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SN 2021afsj - Type Ia Supernova (discovered 2021-11-29) in UGC 4671

UGC 4671 with SN 2021afsj (Ursa Major) SN 2021afsj (Type: Ia) discovered 2021-11-29.718 UT by Shuji Tokuoka Alias: Gaia21flf, ZTF21acqstfo  ( Rochester Supernova site | Gaia21flf  )

Annotated CCD Image  (50% size, square root scale) 3 x 180s exposure (average combine), 3x3 binning, C Filter 2021-12-16 23:56 UT (#942179-82) 12" LX200R (at f/10.4) + ST-10XME Non-guided

UGC 4671 with SN 2021afsj - 2021-12-16 (T+17.3d) Image below (2021-12-16.989) was taken 17.3 days after discovery of 2021afsj Position of SN is shown by white cross-hairs Measured magnitude +14.0

Annotated CCD Image  (125% size, square root scale, cropped) 3 x 180s exposure (average combine), 3x3 binning, C Filter 2021-12-16 23:56 UT (#942179-82) 12" LX200R (at f/10.4) + ST-10XME Non-guided

UGC 4671 with SN 2021afsj - 2021-12-29 (T+29.3d) Image below (2021-12-29.062) was taken 29.3 days after discovery of 2021afsj Position of SN is shown by white cross-hairs Measured magnitude +14.6

Annotated CCD Image  (125% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2021-12-29 01:38 UT (#945141-45) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

UGC 4671 with SN 2021afsj - 2022-01-03 (T+35.3d) Image below (2022-01-03.981) was taken 35.3 days after discovery of 2021afsj Position of SN is shown by white cross-hairs Measured magnitude +14.7 (fading)

Annotated CCD Image  (125% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2022-01-03 23:42 UT (#948107-11) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

UGC 4671 with SN 2021afsj - 2022-01-06 (T+37.5d) Image below (2022-01-06.210) was taken 37.5 days after discovery of 2021afsj Position of SN is shown by white cross-hairs

Annotated CCD Image  (125% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2022-01-06 05:12 UT (#949120-24) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

UGC 4671 with SN 2021afsj - 2022-01-08 (T+39.3d) Image below (2022-01-08.021) was taken 39.3 days after discovery of 2021afsj Position of SN is shown by white cross-hairs Measured magnitude ? (unable to measure)

Annotated CCD Image  (125% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2022-01-08 00:39 UT (#950162-66) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

UGC 4671 with SN 2021afsj - 2022-01-09 (T+40.4d) Image below (2022-01-09.122) was taken 40.4 days after discovery of 2021afsj Position of SN is shown by white cross-hairs Measured magnitude ? (unable to measure)

Annotated CCD Image  (125% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2022-01-09 03:05 UT (#951055-59) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

UGC 4671 with SN 2021afsj - 2022-01-11 (T+42.5d) Image below (2022-01-11.231) was taken 42.5 days after discovery of 2021afsj Position of SN is shown by white cross-hairs Measured magnitude ? (unable to measure)

Annotated CCD Image  (125% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2022-01-11 05:42 UT (#953041-45) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

UGC 4671 with SN 2021afsj - 2022-01-22 (T+53.3d) Image below (2022-01-22.006) was taken 53.3 days after discovery of 2021afsj Position of SN is shown by white cross-hairs

Annotated CCD Image  (125% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2022-01-22 00:18 UT (#957224-28) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

UGC 4671 with SN 2021afsj - 2022-01-28 (T+60.2d) Image below (2022-01-28.955) was taken 60.2 days after discovery of 2021afsj Position of SN is shown by white cross-hairs

Annotated CCD Image  (125% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2022-01-28 23:04 UT (#961017-21) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

UGC 4671 with SN 2021afsj - 2022-02-04 (T+67.1d) Image below (2022-02-04.863) was taken 67.1 days after discovery of 2021afsj Position of SN is shown by white cross-hairs

Annotated CCD Image  (125% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2022-02-04 20:52 UT (#963063-67) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

UGC 4671 with SN 2021afsj - 2022-02-05 (T+68.2d) Image below (2022-02-05.895) was taken 68.2 days after discovery of 2021afsj Position of SN is shown by white cross-hairs

Annotated CCD Image  (125% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2022-02-05 21:39 UT (#964067-71) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

UGC 4671 with SN 2021afsj - 2022-02-06 (T+69.2d) Image below (2022-02-06.949) was taken 69.2 days after discovery of 2021afsj Position of SN (visible) is shown by white cross-hairs

Annotated CCD Image  (125% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2022-02-06 22:56 UT (#965053-57) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

UGC 4671 with SN 2021afsj - 2022-02-07 (T+70.1d) Image below (2022-02-07.826) was taken 70.1 days after discovery of 2021afsjj Position of SN is shown by white cross-hairs

Annotated CCD Image  (125% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2022-02-07 19:58 UT (#966036-40) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

UGC 4671 with SN 2021afsj - 2022-02-08 (T+71.3d) Image below (2022-02-08.976) was taken 71.3 days after discovery of 2021afsj Position of SN is shown by white cross-hairs

Annotated CCD Image  (125% size, square root scale, cropped) 3 x 180s exposure (average combine), 3x3 binning, C Filter 2022-02-08 23:36 UT (#967074-78) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

UGC 4671 with SN 2021afsj - 2022-02-11 (T+73.4d) Image below (2022-02-11.080) was taken 73.4 days after discovery of 2021afsj Position of SN is shown by white cross-hairs

Annotated CCD Image  (125% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2022-02-11 02:05 UT (#969082-86) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

UGC 4671 with SN 2021afsj - 2022-03-05 (T+96.2d) Image below (2022-03-05.917) was taken 96.2 days after discovery of 2021afsj Position of SN (faint) is shown by white cross-hairs

Annotated CCD Image  (125% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2022-03-05 22:09 UT (#982078-82) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

UGC 4671 with SN 2021afsj - 2022-03-20 (T+110.3d) Image below (2022-03-20.049) was taken 110.3 days after discovery of 2021afsj Position of SN (very faint) is shown by white cross-hairs

Annotated CCD Image  (125% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2022-03-20 01:20 UT (#989142-46) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

UGC 4671 with SN 2021afsj - 2022-03-21 (T+112.2d) Image below (2022-03-21.878) was taken 112.2 days after discovery of 2021afsj Position of SN (very faint) is shown by white cross-hairs

Annotated CCD Image  (125% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2022-03-21 21:14 UT (#991041-45) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

UGC 4671 with SN 2021afsj - 2022-03-23 (T+114.2d) Image below (2022-03-23.893) was taken 114.2 days after discovery of 2021afsj Position of SN (very faint) is shown by white cross-hairs

Annotated CCD Image  (125% size, square root scale, cropped) 4 x 180s exposure (average combine), 3x3 binning, C Filter 2022-03-23 21:36 UT (#993022-26) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2