David's Astronomy Pages
Images - Session 1375 (2025-11-20)

Objects Session Notes
Bullet 29P/Schwassmann-Wachmann - Comet
Bullet C/2022 N2 (PANSTARRS) - Comet
Bullet C/2025 K1 (ATLAS) - Comet
Bullet C/2025 R2 (SWAN) - Comet
   
Bullet AT 2025md - CV Type Transient
Bullet AT 2025acvr - CV Type Transient
 
Bullet 2MFGC 13744 - Galaxy with Type II Supernova 2024afyu  (non-detection)
Bullet Eridanus Cluster - Galaxy Cluster
Bullet ESO 565-G19 - Galaxy with Type Ia Supernova 2025efc
Bullet M31 - Spiral Galaxy with M31N 2025-10a?
 
Bullet NGC 600 - Spiral Galaxy with Type MP Transient AT 2025abzu  (non-detection)
Bullet NGC 2986 - Elliptical Galaxy with Type Ia Supernova 2025gj
Bullet NGC 3106 - Spiral Galaxy with Type Ia Supernova 2025aauj
Bullet NGC 4653 - Spiral Galaxy with Type Ib Supernova 2025mqc
Bullet NGC 5957 - Spiral Galaxy with Type Ia Supernova 2025fvw
Bullet SN 2025aarn - Type II Supernova
 
Bullet UGC 3458 - Spiral Galaxy with Type II Supernova 2025yao
Bullet UGC 4316 - Spiral Galaxy with Type Ic Supernova 2025advo
Bullet UGC 10058 - Spiral Galaxy with Type II Supernova 2025gvs
Bullet VV 410 - Spiral Galaxy with Type Ia Supernova 2025hjz
 
Bullet Variable Stars (photometric monitoring)
- T CrB, CN Ori, GW Ori, RR Tau
   
Bullet Nearby Stars (astrometric monitoring)
- HH And (Ross 248), 61 Cyg, Gliese 65 (UV Cet), Teegarden's Star
   
- All-Night Session (12.7 hr) interupted in part by cloud and a Dome Shutter issue. Cold night (-1.5°C min)
- 12" LX200 + ST-10XME for imaging
- TS 80mm APO + ZWO ASI178MC for guiding & imaging
- Ambient Temperature:  -1.5°C (min)
- CCD Temperature:  -25°
- Notes from 2025-11-20 >>
   
-

   

Observing Result

Image

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29P/Schwassmann-Wachmann - Comet

29P/Schwassmann-Wachmann - 2025-11-21
(passing through Leo)

Sun Distance 6.30 AU (receeding slowly)
Earth Distance 6.63 AU (992.5 million km)
   29P/Schwassmann-Wachmann - 2025-11-21 Detail
Autoguided on offset star using PHD2 with Lock Shift
set at the comet's rate of motion
(Ra 14.9 arcsec/hr, Dec -9.4 arcsec/hr)
Image   Image
Annotated CCD Image (50% size, square root scale)
8 x 90s exposure (average combine), 3x3 binning, Clear Filter
2025-11-21 03:56 UT (#1375252-59)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
  Annotated CCD Image (125% size, square root scale, cropped)
Image details as left
     
Images of 29P/Schwassmann-Wachmann on Comets 2023 Page >>    
Images of 29P/Schwassmann-Wachmann on Comets 2024 Page >>    
Images of 29P/Schwassmann-Wachmann on Comets 2025 Page >>    

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C/2022 N2 (PANSTARRS) - Comet

C/2022 N2 (PANSTARRS) - 2025-11-20
(passing through Aries)
Sun Distance 3.95 AU (receeding)
Earth Distance 2.97 AU (444.3 million km)
   C/2022 N2 (PANSTARRS) - 2025-11-20 Detail
Autoguided on offset star using PHD2 with Lock Shift
set at the comet's rate of motion
(Ra -14.5 arcsec/hr, Dec -4.8 arcsec/hr)
Image   Image
Annotated CCD Image (50% size, square root scale)
7 x 60s exposure (average combine), 3x3 binning, Clear Filter
2025-11-20 23:04 UT (#1375086-92)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
  Annotated CCD Image (125% size, square root scale, cropped)
Image details as left
     
 Images of C/2022 N2 (PANSTARRS) on Comets 2025 Page >>    

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C/2025 K1 (ATLAS) - Comet

C/2025 K1 (ATLAS) - 2025-11-20
(passing through Ursa Major)

Sun Distance 1.12 AU (receeding)
Earth Distance 0.42 AU (62.6 million km)
   C/2025 K1 (ATLAS) - 2025-11-20 Detail
Autoguided on offset star using PHD2 with Lock Shift
set at the comet's rate of motion
(Ra -240.1 arcsec/hr, Dec 580.4 arcsec/hr)
Image   Image
Annotated CCD Image (50% size, square root scale)
60s exposure (single frame), 3x3 binning, Clear Filter
2025-11-20 23:17 UT (#1375095)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
  Annotated CCD Image (100% size, square root scale, cropped)
13 x 60s exposure (average combine), 3x3 binning, Clear Filter
2025-11-20 23:26 UT (#1375095-109)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
     
    Image
    Annotated CCD Image (175% size, square root scale, cropped)
Image details as above
     
C/2025 K1 (ATLAS) - 2025-11-21
(passing through Ursa Major)

Sun Distance 1.12 AU (receeding)
Earth Distance 0.42 AU (62.5 million km)
   C/2025 K1 (ATLAS) - 2025-11-21 Detail
Autoguided on offset star using PHD2 with Lock Shift
set at the comet's rate of motion
(Ra -242.0 arcsec/hr, Dec 581.5 arcsec/hr)
Image   Image
Annotated CCD Image (50% size, square root scale)
30s exposure (single frame), 3x3 binning, Clear Filter
2025-11-21 00:41 UT (#1375142)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
  Annotated CCD Image (100% size, square root scale, cropped)
30 x 30s exposure (average combine), 3x3 binning, Clear Filter
2025-11-21 00:51 UT (#1375142-71)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
     
Image   Image
Annotated CCD Image (175% size, square root scale, cropped)
Image details as above right
  Annotated CCD Image (175% size, square root scale, cropped)
Image details as above
     
 Images of C/2025 K1 (ATLAS) on Comets 2025 Page >>    

C/2025 K1 (ATLAS) - 2025-11-21
(passing through star field in Virgo over 20 minute period)
Motion : Ra -4.03 arcmin/hr, Dec 9.69 arcmin/hr
Image
Animated CCD Image Frames (70% size, linear scale)
30 x 30s exposure (average combine), 3x3 binning, Clear Filter
2025-11-21 00:51 UT (#1375142-71)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
 

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C/2025 R2 (SWAN) - Comet

C/2025 R2 (SWAN) - 2025-11-20
(passing through Pisces)
Sun Distance 1.51 AU (receeding)
Earth Distance 0.75 AU (112.9 million km)
   C/2025 R2 (SWAN) - 2025-11-20 Detail
Autoguided on offset star using PHD2 with Lock Shift
set at the comet's rate of motion
(Ra 112.7 arcsec/hr, Dec 32.1 arcsec/hr)
Image   Image
Annotated CCD Image (50% size, square root scale)
2 x 60s exposure (average combine), 3x3 binning, Clear Filter
2025-11-20 23:44 UT (#1375112-13)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
  Annotated CCD Image (100% size, square root scale, cropped)
8 x 60s exposure (average combine), 3x3 binning, Clear Filter
2025-11-20 23:48 UT (#1375112-19)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
     
 Images of C/2025 R2 (SWAN) on Comets 2025 Page >>    

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AT 2025md - CV Type Transient

AT 2025md (Cygnus)
AT 2025md (Type: CV) discovered 2025-01-12.882 UT by Gaia
Alias: Gaia25adm
( TNS 2025md | Gaia25adm )
 
AT 2025md - 2025-11-20 (T+312.0d)
Image below (2025-11-20.926) was taken 312.0 days after discovery of 2025md
Position of earlier transient (faint) is shown by white cross-hairs
Measured Magnitude +15.44 (Clear Filter)
Poor quality image (wind shake or poor seeing)
Image
Annotated CCD Image (150% size, linear scale, cropped)
3 x 60s exposure (average combine), 3x3 binning, Clear Filter
2025-11-20 22:16 UT (#1375055-57)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
 
Images of AT 2025md on Transients 2025 Page  >>

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AT 2025acvr - CV Type Transient

AT 2025acvr (Ursa Major)
AT 2025acvr (Type: CV) discovered 2025-11-08.492 UT by ZTF
using Palomar 1.2m Oschin Telescope
Alias: ZTF25acdhetm, GOTO25jsd
Discovery Magnitude 15.26 (g-ZTF Filter)
vs Prior Non-Detection Limiting Magnitude 20.31 (r-ZTF Filter)
( TNS 2025acvr )
 
AT 2025acvr - 2025-11-21 (T+12.7d)
Image below (2025-11-21.144) was taken 12.7 days after discovery of 2025acvr
Position of earlier transient (faint) is shown by white cross-hairs
Measured Magnitude +17.13 (Clear Filter)
Image
Annotated CCD Image (100% size, linear scale, cropped)
5 x 180s exposure (average combine), 3x3 binning, Clear Filter
2025-11-21 03:36 UT (#1375245-49)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
 
Images of AT 2025acvr on Transients 2025 Page  >>

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2MFGC 13744 - Galaxy with Type II Supernova 2024afyu  (non-detection)

2MFGC 13744 with SN 2024afyu (Ophiuchus)
SN 2024afyu (Type: II) discovered 2024-12-29.573 UT by ZTF
using Palomar 1.2m Oschin Telescope
Alias: ZTF24abzxalv
Discovery Magnitude 15.63 (r-ZTF Filter)
( TNS 2024afyu )
 
2MFGC 13744 with SN 2024afyu - 2025-11-20 (T+326.2d)
Image below (2025-11-20.769) was taken 326.2 days after discovery of 2024afyu
Position of earlier supernova (not visible) is shown by white cross-hairs
Non-Detection Limiting Magnitude +18.1 (Clear Filter)
Image
Annotated CCD Image (150% size, square root scale, cropped)
2 x 180s exposure (average combine), 3x3 binning, Clear Filter
2025-11-20 18:31 UT (#1375014-15)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
 
2MFGC 13744 with SN 2024afyu - Earlier Image, 2025-03-18 (T+78.5d)
Image below (2025-03-18.057) was taken 78.5 days after discovery of 2024afyu
Position of reported supernova (distinct) is shown by white cross-hairs
Measured Magnitude +14.80 (Clear Filter)
Image
Annotated CCD Image (150% size, square root scale, cropped)
4 x 180s exposure (average combine), 3x3 binning, Clear Filter
2025-03-18 01:30 UT (#1302129-33)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
 
Images of SN 2024afyu (in 2MFGC 13744 on Supernovae 2024 Page  >>

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Eridanus Cluster - Galaxy Cluster

Eridanus Cluster (Eridanus)
 
Image
Annotated CCD Image (50% size, square root scale)
7 x 60s exposure (average combine), 3x3 binning, Clear Filter
2025-11-21 01:12 UT (#1375176-82)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
 
Eridanus Cluster - Detail
Image
Annotated CCD Image (150% size, square root scale, cropped)
Image details as above
 

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ESO 565-G19 - Galaxy with Type Ia Supernova 2025efc

ESO 565-G19 with SN 2025efc (Hydra)
SN 2025efc (Type: Ia) discovered 2025-03-12.153 UT by ATLAS
using ATLAS El Sauce Telescope
Alias: ATLAS25cqk, ZTF25aaiwalj, PS25amk, GOTO24juu
Discovery Magnitude 17.45 (orange-ATLAS Filter)
vs Prior Non-Detection Limiting Magnitude 18.58 (orange-ATLAS Filter)
( TNS 2025efc )
 
ESO 565-G19 with SN 2025efc - 2025-11-21 (T+254.0d)
Image below (2025-11-21.190) was taken 254.0 days after discovery of 2025efc
Position of earlier supernova (not visible) is shown by white cross-hairs
Non-Detection Limiting Magnitude +18.0 (Clear Filter)
Image
Annotated CCD Image (150% size, square root scale, cropped)
5 x 180s exposure (average combine), 3x3 binning, Clear Filter
2025-11-21 04:42 UT (#1375270-74)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
 
Images of SN 2025efc (in ESO 565-G19 on Supernovae 2025 Page  >>

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M31 - Spiral Galaxy with M31N 2025-10a?

M31 with M31N 2025-10a? (Andromeda)
Nova M31 2025-10a? (Type: unk) discovered 2025-10-17.480 UT by Koichi Itagaki
using ATLAS El Sauce Telescope
Alias: TCP J00384865+4046079
Discovery Magnitude 17.8
This object seems to be identical with the red variable Gaia DR3 381143133083759232.
"Discovered" iindependently on October 18.8112UT. -- Robert Fidrich, HAA/VSS, Budakeszi, Hungary
 
M31 with M31N 2025-10a? - 2025-11-20 (T+34.4d)
Image below (2025-11-20.882) was taken 34.4 days after discovery of M31N 2025-10a?
Position of earlier transient (distinct) is shown by white cross-hairs
Measured Magnitude +14.46 (Clear Filter)
Image
Annotated CCD Image (125% size, square root scale, cropped)
3 x 180s exposure (average combine), 3x3 binning, Clear Filter
2025-11-20 21:17 UT (#1375021-24)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
 
Images of M31N 2025-10a? (in M31) on Transients 2025 Page  >>

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NGC 600 - Spiral Galaxy with Type MP Transient AT 2025abzu  (non-detection)

NGC 600 with AT 2025abzu (Cetus)
AT 2025abzu (Type: MP) discovered 2025-10-30.718 UT by KNTraP
Discovery Magnitude 18.40 (L Filter)
vs Prior Non-Detection Limiting Magnitude 20.00 (L Filter)
( TNS 2025abzu )
 
NGC 600 with AT 2025abzu - 2025-11-20 (T+21.2d)
Image below (2025-11-20.894) was taken 21.2 days after discovery of 2025abzu
Position of earlier transient (not visible) is shown by white cross-hairs
Non-Detection Limiting Magnitude +19.6 (Clear Filter)
Image
Annotated CCD Image (125% size, square root scale, cropped)
5 x 180s exposure (average combine), 3x3 binning, Clear Filter
2025-11-20 21:37 UT (#1375027-31)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
 
Images of AT 2025abzu on Transients 2025 Page  >>

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NGC 2986 - Elliptical Galaxy with Type Ia Supernova 2025gj

NGC 2986 with SN 2025gj (Hydra)
SN 2025gj (Type: Ia) discovered 2025-01-08.256 UT by DLT40
Alias: DLT25a, ZTF25aabmhly, ATLAS25aim, GOTO25gp
Discovery Magnitude 17.91 (Clear Filter)
vs Prior Non-Detection Limiting Magnitude 19.77 (Clear Filter)
( TNS 2025gj )
 
NGC 2986 with SN 2025gj - 2025-11-21 (T+316.9d)
Image below (2025-11-21.205) was taken 316.9 days after discovery of 2025gj
Image
Annotated CCD Image (150% size, square root scale, cropped)
5 x 180s exposure (average combine), 3x3 binning, Clear Filter
2025-11-21 05:04 UT (#1375278-82)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
 
NGC 2986 with SN 2025gj - Earlier Image, 2025-01-12 (T+3.9d)
Image below (2025-01-12.113) was taken 3.9 days after discovery of 2025gj
Position of reported supernova (faint) is shown by white cross-hairs
Measured Magnitude +15.56 (Clear Filter)
Poor quality image (poor seeing)
Image
Annotated CCD Image (150% size, square root scale, cropped)
5 x 180s exposure (average combine), 3x3 binning, Clear Filter
2025-01-12 02:52 UT (#1293260-64)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
 
Images of SN 2025gj (in NGC 2986 on Supernovae 2025 Page  >>

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NGC 3106 - Spiral Galaxy with Type Ia Supernova 2025aauj

NGC 3106 with SN 2025aauj (Leo Minor)
SN 2025aauj (Type: Ia) discovered 2025-10-18.473 UT by ZTF
using Palomar 1.2m Oschin Telescope
Alias: ZTF25abxjtsp
Discovery Magnitude 17.69 (r-ZTF Filter)
vs Prior Non-Detection Limiting Magnitude 19.83 (r-ZTF Filter)
( TNS 2025aauj )
 
NGC 3106 with SN 2025aauj - 2025-11-21 (T+33.7d)
Image below (2025-11-21.127) was taken 33.7 days after discovery of 2025aauj
Position of earlier supernova (faint) is shown by white cross-hairs
Estimated Magnitude +16.9 (Clear Filter)
Image
Annotated CCD Image (150% size, square root scale, cropped)
4 x 180s exposure (average combine), 3x3 binning, Clear Filter
2025-11-21 03:11 UT (#1375238-42)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
 
Images of SN 2025aauj (in NGC 3106 on Supernovae 2025 Page  >>

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NGC 4653 - Spiral Galaxy with Type Ib Supernova 2025mqc

NGC 4653 with SN 2025mqc (Virgo)
SN 2025mqc (Type: Ib) discovered 2025-05-31.294 UT by ATLAS
using ATLAS Mauna Loa Telescope
Alias: ATLAS25fue, GOTO25dgl, ZTF25aatdgae
Discovery Magnitude 18.78 (orange-ATLAS Filter)
vs Prior Non-Detection Limiting Magnitude 19.51 (cyan-ATLAS Filter)
( TNS 2025mqc )
 
NGC 4653 - Spiral Galaxy
Image
Annotated CCD Image (50% size, square root scale)
5 x 180s exposure (average combine), 3x3 binning, Clear Filter
2025-11-21 05:50 UT (#1375293-97)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
 
NGC 4653 with SN 2025mqc - 2025-11-21 (T+173.9d)
Image below (2025-11-21.237) was taken 173.9 days after discovery of 2025mqc
Position of earlier supernova (not visible) is shown by white cross-hairs
Non-Detection Limiting Magnitude +19.4 (Clear Filter)
Image
Annotated CCD Image (125% size, square root scale, cropped)
5 x 180s exposure (average combine), 3x3 binning, Clear Filter
2025-11-21 05:50 UT (#1375293-97)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
 
Images of SN 2025mqc (in NGC 4653 on Supernovae 2025 Page  >>

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NGC 5957 - Spiral Galaxy with Type Ia Supernova 2025fvw

NGC 5957 with SN 2025fvw (Serpens)
SN 2025fvw (Type: Ia) discovered 2025-03-26.799 UT by Koichi Itagaki
using XingLong telescope Telescope
Alias: ZTF25aaktqzg, GOTO25bhh, PS25avu, ATLAS25dcd
Discovery Magnitude 17.40 (Clear Filter)
( TNS 2025fvw )
 
NGC 5957 with SN 2025fvw - 2025-11-21 (T+239.5d)
Image below (2025-11-21.251) was taken 239.5 days after discovery of 2025fvw
Position of earlier supernova (not visible) is shown by white cross-hairs
Measured Magnitude +18.2 (Clear Filter)
Image
Annotated CCD Image (125% size, square root scale, cropped)
3 x 180s exposure (average combine), 3x3 binning, Clear Filter
2025-11-21 06:08 UT (#1375300-02)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
 
Images of SN 2025fvw (in NGC 5957 on Supernovae 2025 Page  >>

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SN 2025aarn - Type II Supernova

SN 2025aarn (Eridanus)
SN 2025aarn (Type: II) discovered 2025-10-17.743 UT by GOTO
using GOTO-South Telescope
Alias: GOTO25iqc, ATLAS25mzq, ZTF25abxjgzg
Discovery Magnitude 16.98 (L-GOTO Filter)
vs Prior Non-Detection Limiting Magnitude 19.90 (L-GOTO Filter)
( TNS 2025aarn )
 
SN 2025aarn - 2025-11-21 (T+34.3d)
Image below (2025-11-21.001) was taken 34.3 days after discovery of 2025aarn
Position of earlier supernova (faint) is shown by white cross-hairs
Measured Magnitude +17.03 (Clear Filter)
Image
Annotated CCD Image (125% size, square root scale, cropped)
5 x 180s exposure (average combine), 3x3 binning, Clear Filter
2025-11-21 00:09 UT (#1375122-26)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
 
Images of SN 2025aarn on Supernovae 2025 Page  >>

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UGC 3458 - Spiral Galaxy with Type II Supernova 2025yao

UGC 3458 with SN 2025yao (Camelopardalis)
SN 2025yao (Type: II) discovered 2025-09-20.446 UT by ZTF
using Palomar 1.2m Oschin Telescope
Alias: ZTF25absindv
Discovery Magnitude 18.37 (r-ZTF Filter)
vs Prior Non-Detection Limiting Magnitude 20.32 (r-ZTF Filter)
( TNS 2025yao )
 
UGC 3458 with SN 2025yao - 2025-11-21 (T+61.7d)
Image below (2025-11-21.115) was taken 61.7 days after discovery of 2025yao
Position of earlier supernova (faint) is shown by white cross-hairs
Estimated Magnitude +17.8 (Clear Filter)
Image
Annotated CCD Image (150% size, square root scale, cropped)
4 x 180s exposure (average combine), 3x3 binning, Clear Filter
2025-11-21 02:52 UT (#1375232-35)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
 
Images of SN 2025yao (in UGC 3458 on Supernovae 2025 Page  >>

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UGC 4316 - Spiral Galaxy with Type Ic Supernova 2025advo

UGC 4316 with SN 2025advo (Hydra)
SN 2025advo (Type: Ic) discovered 2025-11-17.144 UT by ATLAS
using ATLAS Teide Tenerife Telescope
Alias: ATLAS25ogq, ZTF25acglosh, GOTO25kkf
Discovery Magnitude 16.90 (wide-ATLAS Filter)
vs Prior Non-Detection Limiting Magnitude 19.76 (wide-ATLAS Filter)
( TNS 2025advo )
 
UGC 4316 with SN 2025advo - 2025-11-21 (T+3.9d)
Image below (2025-11-21.074) was taken 3.9 days after discovery of 2025advo
Position of earlier supernova (faint) is shown by white cross-hairs
Measured Magnitude +16.05 (Clear Filter)
Image
Annotated CCD Image (125% size, square root scale, cropped)
4 x 180s exposure (average combine), 3x3 binning, Clear Filter
2025-11-21 01:55 UT (#1375197-201)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
 
Images of SN 2025advo (in UGC 4316 on Supernovae 2025 Page  >>

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UGC 10058 - Spiral Galaxy with Type II Supernova 2025gvs

UGC 10058 with SN 2025gvs (Corona Borealis)
SN 2025gvs (Type: II) discovered 2025-04-05.502 UT by ATLAS
using ATLAS Haleakala Telescope
Alias: ATLAS25dpm, ZTF25aalzmga
Discovery Magnitude 17.59 (cyan-ATLAS Filter)
vs Prior Non-Detection Limiting Magnitude 17.70 (cyan-ATLAS Filter)
( TNS 2025gvs )
 
UGC 10058 with SN 2025gvs - 2025-11-20 (T+229.3d)
Image below (2025-11-20.756) was taken 229.3 days after discovery of 2025gvs
Position of earlier supernova (not visible) is shown by white cross-hairs
Non-Detection Limiting Magnitude +18.0 (Clear Filter)
Very poor image (cloud/poor sky transparency)
Image
Annotated CCD Image (175% size, square root scale, cropped)
2 x 180s exposure (average combine), 3x3 binning, Clear Filter
2025-11-20 18:11 UT (#1375006-07)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
 
UGC 10058 with SN 2025gvs - Earlier Image, 2025-04-10 (T+4.6d)
Image below (2025-04-10.069) was taken 4.6 days after discovery of 2025gvs
Position of reported supernova (distinct, brightening) is shown by white cross-hairs
Measured Magnitude +15.86 (Clear Filter)
Image
Annotated CCD Image (175% size, square root scale, cropped)
3 x 180s exposure (average combine), 3x3 binning, Clear Filter
2025-04-10 01:47 UT (#1313110-13)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
 
Images of SN 2025gvs (in UGC 10058 on Supernovae 2025 Page  >>

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VV 410 - Spiral Galaxy with Type Ia Supernova 2025hjz

VV 410 with SN 2025hjz (Hydra)
SN 2025hjz (Type: Ia) discovered 2025-04-14.477 UT by GOTO
using GOTO-South Telescope
Alias: GOTO25buy, ZTF23absjbyu
Discovery Magnitude 17.33 (L-GOTO Filter)
vs Prior Non-Detection Limiting Magnitude 19.70 (L-GOTO Filter)
( TNS 2025hjz )
[ Vorontsov-Velyaminov Galaxies
 
VV 410 - Interacting Galaxies
Image
Annotated CCD Image (50% size, square root scale)
4 x 180s exposure (average combine), 3x3 binning, Clear Filter
2025-11-21 05:24 UT (#1375286-89)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
 
VV 410 - Detail
Image
Annotated CCD Image (150% size, square root scale, cropped)
4 x 180s exposure (average combine), 3x3 binning, Clear Filter
2025-11-21 05:24 UT (#1375286-89)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
 
VV 410 with SN 2025hjz - 2025-11-21 (T+220.7d)
Image below (2025-11-21.220) was taken 220.7 days after discovery of 2025hjz
Position of earlier supernova (not visible) is shown by white cross-hairs
Non-Detection Limiting Magnitude +18.4 (Clear Filter)
Image
Annotated CCD Image (150% size, square root scale, cropped)
4 x 180s exposure (average combine), 3x3 binning, Clear Filter
2025-11-21 05:24 UT (#1375286-89)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
 
Images of SN 2025hjz (in VV 410 on Supernovae 2025 Page  >>

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