David's Astronomy Pages
CCD Images - Session 1098 (2023-02-13)

Objects Session Notes
Bullet AT 2023vq - Type YSO? Transient
Bullet Nova M33 2022-11a? - Candidate Extragalactic Nova in M33
Bullet C/2019 U5 (PANSTARRS) - Comet
Bullet C/2020 V2 (ZTF) - Comet
Bullet C/2022 A2 (PANSTARRS) - Comet
Bullet C/2022 E3 (ZTF) - Comet
   
Bullet AT 2023ds - CV Type Transient
Bullet AT 2023fm - CV Type Transient
Bullet AT 2023nf - CV Type Transient
   
Bullet IC 1525 - Spiral Galaxy with Transient AT 2023aov
Bullet IC 1874 - Spiral Galaxy with Type IIP Supernova 2023fu
Bullet MCG +5-26-43 - Spiral Galaxy with Type II Supernova 2023af
   
Bullet NGC 1333 - Bright Nebula
Bullet NGC 2528 - Spiral Galaxy with Type IIn Supernova 2023jo
Bullet NGC 2708 - Spiral Galaxy with Type Ia Supernova 2023bee
Bullet NGC 3705 - Spiral Galaxy with Type Ic-BL Supernova 2022xxf
Bullet NGC 3938 - Spiral Galaxy with Type Ia-02cx Supernova 2022xlp (Attempt)
Bullet NGC 4666 - Spiral Galaxy with Transient AT 2023axn
Bullet NGC 4668 - Spiral Galaxy (PGC 42999)
Bullet NGC 5468 - Spiral Galaxy with Type Ic Supernova 2023cj
Bullet NGC 5548 - Spiral Galaxy with Type AGN? Transient AT 2022abcs
Bullet NGC 5631 - Spiral Galaxy with Type Ia Supernova 2022aaiq
Bullet NGC 5784 - Spiral Galaxy with Type Ia Supernova 2023bch
   
Bullet UGC 8046 - Spiral Galaxy with Type II Supernova SN 2022zxr
Bullet UGC 10407 - Irregular Galaxy with Transient AT 2022adyb
   
   
Bullet Variable Stars (photometric monitoring)
SS Cyg, BL Lac
    
Bullet Nearby Stars (astrometric monitoring)
- HH And, Barnards Star, Groombridge 34
   
 -  Groombridge 34 attempt failed (due to cloud)
  
- All night session (10.2 hours)
   
- 12" LX200 + ST-10XME for imaging
- TS 80mm APO + ZWO ASI178MC for guiding & imaging
- Ambient Temperature: 2.0°C (min)
- CCD Temperature:  -20°C
- Notes from 2023-02-13 >>
 
   
   

AT 2023vq - Type YSO? Transient

AT 2023vq (Perseus)
AT 2023vq (Type: YSO?) discovered 2023-01-16.406 UT by Gaia
Alias: Gaia23ahr
Discovery Mag 11.87 (G-gaia filter) vs Historic magnitude 11.44)
~0.4 mag dip in candidate YSO
 ( TNS 2023vq | Gaia23ahr )
 
AT 2023vq - 2023-02-13 (T+28.5d)
Image
Annotated CCD Image (50% size, linear scale)
4 x 180s exposure (average combine), 3x3 binning, Clear Filter
2023-02-13 21:00 UT (#1098019-22)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
  
AT 2023vq - 2023-02-13 (T+28.5d)
Image below (2023-02-13.870) was taken 28.5 days after discovery of 2023vq
Position of reported transient (distinct) is shown by white cross-hairs
Measured mag +12.11
Image
Annotated CCD Image (100% size, linear scale, cropped)
4 x 180s exposure (average combine), 3x3 binning, Clear Filter
2023-02-13 21:00 UT (#1098019-22)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
  
Images of AT 2023vq on Transients 2023 Page >>

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Nova M33 2022-11a? - Candidate Extragalactic Nova in M33

M33 with Candidate Nova M33 2022-11a? (Triangulum)
Nova M33 2022-11a? (Type: unk) discovered 2022-11-20.575 UT by XOSS
Alias: TCP J01350893+3031503
Discovery Mag +13.4
 ( Rochester Latest Extragalactic Novae | TCP J01350893+3031503  | Discovery Image )
 
Nova M33 2022-11a? - 2023-02-13 (T+85.3d)
Image below (2023-02-13.885) was taken 85.3 days after discovery of Nova M33 2022-11a?
Position of reported nova (distinct) is shown by white cross-hairs
Measured magnitude +15.79
Image
Annotated CCD Image (100% size, square root scale, cropped)
5 x 180s exposure (average combine), 3x3 binning, Clear Filter
2023-01-25 18:54 UT (#1090015-19)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
  
Images of Nova M33 2022-11a? (M33) on Transients 2022 Page >>

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C/2019 U5 (PANSTARRS) - Comet

C/2019 U5 (PANSTARRS) - 2023-02-14
(passing through Virgo)
Sun Distance 3.65 AU (approaching)
Earth Distance 2.98 AU (445.1 million km)
Comet position is indicated by white cross-hairs
   C/2019 U5 (PANSTARRS) - 2023-02-14 Detail
Autoguided on offset star using PHD2 with Lock Shift
set at the comet's rate of motion
(Ra -51.16 arcsec/hr, Dec -8.54 arcsec/hr)
Image   Image
Annotated CCD Image (50% size, square root scale)
3 x 60s exposure (average combine), 3x3 binning, Clear Filter
2023-02-14 01:52 UT (#1098149-51)
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)
9 x 60s exposure (average combine), 3x3 binning, Clear Filter
2023-02-14 01:56 UT (#1098149-57)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
     
Images of C/2019 U5 (PANSTARRS) on Comets 2022 Page >>
Images of C/2019 U5 (PANSTARRS) on Comets 2023 Page >>
   

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C/2020 V2 (ZTF) - Comet

C/2020 V2 (ZTF) - 2023-02-13
(passing through Andromeda)
Sun Distance 2.42 AU (approaching)
Earth Distance 2.39 AU (357.9 million km)
   C/2020 V2 (ZTF) - 2023-02-13 Detail
Autoguided on offset star using PHD2 with Lock Shift
set at the comet's rate of motion
(Ra 22.70 arcsec/hr, Dec -81.11 arcsec/hr)
Image   Image
Annotated CCD Image (50% size, square root scale)
3 x 60s exposure (average combine), 3x3 binning, Clear Filter
2023-02-13 21:40 UT (#1098035-37)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
  Annotated CCD Image (100% size, log scale, cropped)
14 x 60s exposure (average combine), 3x3 binning, Clear Filter
2023-02-13 21:45 UT (#1098033-46)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
     
Images of C/2020 V2 (ZTF) on Comets 2022 Page >>
 Images of C/2020 V2 (ZTF) on Comets 2023 Page >>
   

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C/2022 A2 (PANSTARRS) - Comet

  C/2022 A2 (PANSTARRS) - 2023-02-14
 (passing through Cepheus)

Sun Distance 1.74 AU (turning)
Earth Distance 1.81 AU (271.4 million km)
   C/2022 A2 (PANSTARRS) - 2023-02-14 Detail
Autoguided on offset star using PHD2 with Lock Shift
set at the comet's rate of motion
(Ra 224.94 arcsec/hr, Dec -42.62 arcsec/hr)
Image   Image
Annotated CCD Image (50% size, square root scale)
2 x 60s exposure (average combine), 3x3 binning, Clear Filter
2023-02-14 05:19 UT (#1098242-43)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
  Annotated CCD Image (100% size, log scale, cropped)
4 x 60s exposure (average combine), 3x3 binning, Clear Filter
2023-02-14 05:21 UT (#1098242-46)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
     
Images of C/2022 A2 (PANSTARRS) on Comets 2023 Page >>    

C/2022 A2 (PANSTARRS)  - False Colour
Inverse Spectrum Images
  
C/2022 A2 (PANSTARRS) - 2023-02-14
Image
False Colour CCD Image (70% size, log scale)
4 x 60s exposure (average combine), 3x3 binning, Clear Filter
2023-02-14 05:21 UT (#1098242-46)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
 

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C/2022 E3 (ZTF) - Comet

C/2022 E3 (ZTF) - 2023-02-13
(passing through Taurus)
Sun Distance 1.23 AU (receediing)
Earth Distance  0.49 AU (73.9 million km)
   C/2022 E3 (ZTF) - 2023-02-13 Detail
Autoguided on offset star using PHD2 with Lock Shift
set at the comet's rate of motion
(Ra -46.13 arcsec/hr, Dec -325.88 arcsec/hr)
Image   Image
Annotated CCD Image (50% size, square root scale)
2 x 20s exposure (average combine), 3x3 binning, Clear Filter
2023-02-13 22:22 UT (#1098056-57)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
  CCD Image (100% size, log scale, cropped)
40 x 20s exposure (average combine), 3x3 binning, Clear Filter
2023-02-13 22:32 UT (#1098056-95)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
     
Images of C/2022 E3 (ZTF) on Comets 2023 Page >>    
Images of C/2022 E3 (ZTF) on Comets 2022 Page >>    

C/2022 E3 (ZTF)  - False Colour
Inverse Spectrum Images
  
C/2022 E3 (ZTF) - 2023-02-13
Image
False Colour CCD Image (70% size, log scale)
40 x 20s exposure (average combine), 3x3 binning, Clear Filter
2023-02-13 22:32 UT (#1098056-95)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
 

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AT 2023ds - CV Type Transient

AT 2023ds (Cygnus)
AT 2023ds (Type: CV) discovered 2023-01-08.458 UT by Gaia
Alias: Gaia23ady
Discovery Mag 13.63 (G-Gaia Filter) vs Historic magnitude 13.84
Galactic plane star brightens by 0.25 mag, previous event seen
 ( TNS 2023ds | Gaia23ady )
  
AT 2023ds - 2023-02-14 (T+36.7d)
Image below (2023-02-14.198) was taken 36.7 days after discovery of 2023ds
Position of reported transient (distinct) is shown by white cross-hairs
Measured magnitude +13.67
Image
Annotated CCD Image (100% size, linear scale, cropped)
5 x 60s exposure (average combine), 3x3 binning, Clear Filter
2023-02-14 04:47 UT (#1098209-13)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
  
Images of AT 2023ds on Transients 2023 Page >>

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AT 2023fm - CV Type Transient

AT 2023fm (Cygnus)
AT 2023fm (Type: CV) discovered 2023-01-10.703 UT by Gaia
Alias: Gaia23afb
Discovery Mag 13.49 (G-gaia filter) vs Historic magnitude 13.75)
0.25 mag rise in Gaia source in the galactic plane
 ( TNS 2022ddt | Gaia23afb )
 
AT 2023fm - 2023-02-14 (T+34.5d)
Image below (2023-02-14.213) was taken 34.5 days after discovery of 2023fm
Position of reported transient (distinct) is shown by white cross-hairs
Measured mag +13.56
Image
Annotated CCD Image (100% size, linear scale, cropped)
5 x 60s exposure (average combine), 3x3 binning, Clear Filter
2023-02-14 05:09 UT (#1098234-38)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
  
Images of AT 2023fm on Transients 2023 Page >>

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AT 2023nf - CV Type Transient

AT 2023nf (Gemini)
AT 2023nf (Type: CV) discovered 2023-01-14.596 UT by Kojima 
Discovery Magnitude 13.2 (Clear Filter)
 ( TNS 2023nf )

 
AT 2023nf - 2023-02-14 (T+30.4d)
Image below (2023-02-14.001) was taken 30.4 days after discovery of 2023nf
Position of reported transient (not visible) is shown by white cross-hairs

Image

Annotated CCD Image (100% size, linear scale, cropped)
4 x 180s exposure (average combine), 3x3 binning, Clear Filter
2023-02-14 00:10 UT (#1098114-18)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
 

Image

Annotated CCD Image (150% size, linear scale, cropped)
Image details as above
 
Images of AT 2023nf on Transients 2023 Page >>

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IC 1525 - Spiral Galaxy with Transient AT 2023aov (Attempt)

IC 1525 with AT 2023aov (Andromeda)
AT 2023aov (Type: unk) discovered 2023-01-25.125 UT by ZTF
Alias: ZTF23aaaznjk
Discovery Mag 18.14 (r-ZTF Filter)
 ( TNS 2023aov )
 
IC 1525 - Spiral Galaxy with AT 2023aov (T+19.8d)
with adjacent galaxies PGC 73195 (catalog mag +15.1)
& PGC 215023 (catalog mag +16.1)
Image
Annotated CCD Image (50% size, square root scale)
5 x 180s exposure (average combine), 3x3 binning, Clear Filter
2023-01-28 20:08 UT (#1093063-67)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
  
IC 1525 with AT 2023aov - 2023-02-13 (T+19.8d)
Image below (2023-02-13.971) was taken 19.8 days after discovery of 2023aov
Position of reported transient (very faint) is shown by white cross-hairs
Image
Annotated CCD Image (150% size, square root scale, cropped)
4 x 60s exposure (average combine), 3x3 binning, Clear Filter
2023-01-28 18:47 UT (#1093012-15)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
  
Images of AT 2023aov (IC 1525) on Transients 2023 Page >>

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IC 1874 - Spiral Galaxy with Type IIP Supernova 2023fu

IC 1874 with SN 2023fu (Perseus)
SN 2023fu (Type: IIP) discovered 2023-01-12.470 UT by Hiroshi Okuno
Alias: ATLAS23ajm, ZTF23aaaigqy, Gaia23agw
Discovery Mag 16.9 (clear filter)
 ( Rochester Supernova site | TNS 2023fu  | Gaia23agw )
 
IC 1874 with SN 2023fu - 2023-02-13 (T+32.4d)
Image below (2023-02-13.915) was taken 32.4 days after discovery of 2023fu
Position of reported transient (faint) is shown by white cross-hairs
Measured magnitude  +16.87
Image
Annotated CCD Image (150% size, square root scale, cropped)
4 x 180s exposure (average combine), 3x3 binning, Clear Filter
2023-02-13 22:06 UT (#1098049-53)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
  
Images of SN 2023fu (IC 1874) on Supernova 2023 Page >>

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MCG +5-26-43 - Spiral Galaxy with Type II Supernova 2023af

MCG +5-26-43 with SN 2023af (Leo Minor)
SN 2023af (Type: II, z=0.03027) discovered 2023-01-02.912 UT by XOSS
Alias: KATS23A001
Discovery Mag 16.73 (Clear filter)
 ( TNS 2023af )
 
MCG +5-26-43 with SN 2023af - 2023-02-14 (T+42.1d)
Image below (2023-02-14.030) was taken 42.1 days after discovery of 2023af
Position of reported supernova (faint, but distinct) is shown by white cross-hairs
Measured magnitude ? (unable to resolve in SExtractor)
Image
Annotated CCD Image (150% size, square root scale, cropped)
5 x 180s exposure (average combine), 3x3 binning, Clear Filter
2023-02-14 00:52 UT (#1098128-32)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
  
Images of SN 2023af (MCG +5-26-43) on Supernova 2023 Page >>

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NGC 1333 - Bright Nebula


NGC 1333 (Perseus)
Alias: Hidden Treasures 15
 [ Nebula ]
Image
CMOS Image (16% size, asinh stretched, colour registered )
23 x 30s exposure (average combine), Gain 350, 1x1 binning
2023-02-13 22:48 UT (#22_48_09)
TS 80mm APO, ZWO ASI178MC & PHD2
Partly auto-guided using 12" LX200R (at f/10.4) + ST-10XME
Aligned & Stacked with Siril
 
NGC 1333 - Detail
Image
CMOS Image (41% size, asinh stretched, colour registered, cropped)
Image details as above
 
Image
Negative CMOS Image (41% size, asinh stretched, b/w, cropped)
Image details as above
 

NGC 1333 - Earlier Image (2008)

Image
CCD Image
3 x 180s exposure (av. combine), 2x2 binning, C Filter
2008-03-04 22:23h UT (#272108-10)
8" LX200 Classic + ST-7e 
 
 

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NGC 2528 - Spiral Galaxy with Type IIn Supernova 2023jo

NGC 2528 with SN 2023jo (Lynx)
SN 2023jo (Type: IIn) discovered 2023-01-13.471 UT by ATLAS
Alias: ATLAS23akh, PS23fh, ZTF23aaakein
Discovery Mag 17.51 (orange-ATLAS filter)
 ( Rochester Supernova site | TNS 2023jo )
 
NGC 2528 - Spiral Galaxy
Image
Annotated CCD Image (50% size, square root scale)
3 x 180s exposure (average combine), 3x3 binning, Clear Filter
2023-02-13 23:49 UT (#1098108-11)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
  
NGC 2528 with SN 2023jo - 2023-02-13 (T+31.5d)
Image below (2023-02-13.988) was taken 31.5 days after discovery of 2023jo
Position of reported SN (indistinguishable) is shown by white cross-hairs
Measured magnitude  +14.92 (SN + nucleus)
Image
Annotated CCD Image (150% size, square root scale, cropped)
3 x 180s exposure (average combine), 3x3 binning, Clear Filter
2023-02-13 23:49 UT (#1098108-11)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
  
Image
Negative CCD Image (150% size, square root scale, cropped)
Image details as above
  
Images of SN 2023jo (NGC 2528) on Supernova 2023 Page >>

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NGC 2708 - Spiral Galaxy with Type Ia Supernova 2023bee

NGC 2708 with SN 2023bee (Hydra)
SN 2023bee (Type: Ia) discovered 2023-02-01.750 UT by DLT40
Alias: DLT23b, ZTF23aabtgej, ATLAS23bqm
Discovery Mag 17.26 (Clear filter)
 ( Rochester Supernova site | TNS 2023bee )
 
NGC 2708 with SN 2023bee (T+12.3d)
Image
Annotated CCD Image (50% size, square root scale)
3 x 180s exposure (average combine), 3x3 binning, Clear Filter
2023-02-13 23:49 UT (#1098108-11)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
  
NGC 2708 - Spiral Galaxy
Image
Annotated CCD Image (150% size, square root scale)
Image details as above
  
Image
Negative CCD Image (150% size, square root scale, cropped)
Image details as above
  
NGC 2708 with SN 2023bee - 2023-02-14 (T+12.3d)
Image below (2023-02-14.016) was taken 12.3 days after discovery of 2023bee
Position of reported SN (bright) is shown by white cross-hairs
Measured magnitude  +13.56
Image
Annotated CCD Image (100% size, square root scale, cropped)
4 x 180s exposure (average combine), 3x3 binning, Clear Filter
2023-02-14 00:32 UT (#1098121-25)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
  
Images of SN 2023bee (NGC 2708) on Supernova 2023 Page >>

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NGC 3705 - Spiral Galaxy with Type Ic-BL Supernova 2022xxf

NGC 3705 with SN 2022xxf (Leo)
SN 2022xxf (Type: Ic-BL) discovered 2022-10-17.851 UT by Koichi Itagaki
Alias: ZTF22abnvurz, ATLAS22blmn
Discovery Mag 15.5 (Clear Filter)
 ( Rochester Supernova site | TNS 2022xxf )
 
NGC 3705 with SN 2022xxf - 2023-02-14 (T+119.3d)
Image below (2023-02-14.103) was taken 119.3 days after discovery of 2022xxf
Position of SN (faint) is shown by white cross-hairs
Image
Annotated CCD Image (125% size, square root scale, cropped)
3 x 180s exposure (average combine), 3x3 binning, Clear Filter
2023-02-14 02:39 UT (#1098167-71)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
  
Images of SN 2022xxf (NGC 3705) on Supernovae 2022 Page >>

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NGC 3938 - Spiral Galaxy with Type Ia-02cx Supernova 2022xlp (Attempt)

NGC 3938 with SN 2022xlp (Ursa Major)
SN 2022xlp (Type: Ia-02cx) discovered 2022-10-13.808 UT by Koichi Itagaki
Alias: ATLAS22bkeb
Discovery Magnitude 17
 ( TNS 2022xlp )
  
NGC 3938 with SN 2022xlp - 2023-02-14 (T+123.2d)
Image below (2023-02-14.045) was taken 123.2 days after discovery of 2022xlp
Position of SN (faint) shown by white cross-hairs
Image
Annotated CCD Image (100% size, square root scale, cropped)
5 x 180s exposure (average combine), 3x3 binning, Clear Filter
2023-02-14 01:14 UT (#1098135-39)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
  
Images of SN 2022xlp (NGC 3938) on Supernova 2022 Page >>

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NGC 4666 - Spiral Galaxy with Transient AT 2023axn

NGC 4666 with AT 2023axn (Virgo)
AT 2023axn (Type: unk) discovered 2023-01-27.396 UT by ZTF
Alias: ZTF23aabknao
Discovery Mag 18.33 (g-ZTF Filter)
 ( Rochester Supernova site | TNS 2023axn )
 
NGC 4666 - Spiral Galaxy
with adjacent galaxies
 NGC 4668 (catalog mag +13.6),  PGC 1143502 (catalog +16.3)
Image
Annotated CCD Image (50% size, square root scale)
5 x 180s exposure (average combine), 3x3 binning, Clear Filter
2023-02-14 03:47 UT (#1098188-92)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
  
NGC 4666 - Spiral Galaxy, Detail
Image
Annotated CCD Image (125% size, square root scale, cropped)
5 x 180s exposure (average combine), 3x3 binning, Clear Filter
2023-02-14 03:47 UT (#1098188-92)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
  
Image
Negative CCD Image (125% size, log scale, cropped)
Image details as above
  
NGC 4666 with AT 2023axn - 2023-02-14 (T+17.8d)
Image below (2023-02-14.151) was taken 17.8 days after discovery of 2023axn
Position of reported transient (not separately distinguishable) is shown by white cross-hairs
Measured magnitude +12.82 (nucleus + transient)
Image
Annotated CCD Image (125% size, log scale, cropped)
5 x 180s exposure (average combine), 3x3 binning, Clear Filter
2023-02-14 03:47 UT (#1098188-92)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
  
Images of AT 2023axn (NGC 4666) on Transients 2023 Page >>

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NGC 4668 - Spiral Galaxy (PGC 42999)

NGC 4668  (Virgo)
Alias: PGC 42999 (catalog mag +13.6)
with adjacent galaxies
NGC 4666 (catalog mag +11.8),  PGC 1143502 (catalog mag +16.3)
Image
Annotated CCD Image (50% size, square root scale)
5 x 180s exposure (average combine), 3x3 binning, Clear Filter
2023-02-14 03:47 UT (#1098188-92)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
  
NGC 4668 - Detail
Image
Annotated CCD Image (150% size, square root scale, cropped)
Image details as above

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NGC 5468 - Spiral Galaxy with Type Ic Supernova 2023cj

NGC 5468 with SN 2023cj (Virgo)
SN 2023cj (Type: Ic) discovered 2023-01-05.845 UT by Gaia
Alias: Gaia23ada
Discovery Mag 16.97 (G-Gaia Filter)
 ( TNS 2023cj | Gaia23ada )
  
NGC 5468 with SN 2023cj - 2023-02-14 (T+39.2d)
Image below (2023-02-14.090) was taken 39.2 days after discovery of 2023cj
Position of reported supernova (distinct) is shown by white cross-hairs
Measured magnitude +16.38
Image
Annotated CCD Image (125% size, square root scale, cropped)
5 x 180s exposure (average combine), 3x3 binning, Clear Filter
2023-02-14 02:18 UT (#1098160-64)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
  
Images of SN 2023cj (NGC 5468) on Supernova 2023 Page >>

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NGC 5548 - Spiral Galaxy with Type AGN? Transient AT 2022abcs

NGC 5548 with AT 2022abcs (Bootes)
AT 2022abcs (Type: AGN?) discovered 2022-11-16.541 UT by ZTF
Alias: ZTF22abunqtv
Discovery Mag ?  (r-ZTF Filter)
 ( Rochester Supernova site | TNS 2022abcs )
 
NGC 5548 - Spiral Galaxy
with adjacent galaxies
 PGC 51037 (catalog mag +15.2),  PGC 1725892 (catalog mag +16.1),
PGC 1728361 (catalog mag +16.8)
Image
Annotated CCD Image (50% size, square root scale)
5 x 180s exposure (average combine), 3x3 binning, Clear Filter
2023-02-14 03:47 UT (#1098188-92)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
  
NGC 5548 with AT 2022abcs - 2023-02-14 (T+89.6d)
Image below (2023-02-14.167) was taken 89.6 days after discovery of 2022abcs
Position of reported transient (not separately distinguishable) is shown by white cross-hairs
Measured magnitude +13.43 (nucleus + transient)
Image
Annotated CCD Image (125% size, square root scale, cropped)
5 x 180s exposure (average combine), 3x3 binning, Clear Filter
2023-02-14 04:09 UT (#1098195-99)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
  
Images of AT2022abcs (NGC 5548) on Transients 2022 Page >>

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NGC 5631 - Spiral Galaxy with Type Ia Supernova 2022aaiq

NGC 5631 with SN 2022aaiq (Ursa Major)
SN 2022aaiq (Type: Ia) discovered 2022-11-15.057 UT by Patrick Wiggins
Discovery Mag +16.0 (vs last non-detection, limiting mag +19)
 ( TNS 2022aaiq )
  
NGC 5631 with SN 2022aaiq - 2023-02-14 (T+91.1d)
Image below (2023-02-14.121) was taken 91.1 days after discovery of 2022aaiq
Position of supernova (fading) is shown by white cross-hairs
Image
Annotated CCD Image (125% size, log scale, cropped)
5 x 180s exposure (average combine), 3x3 binning, Clear Filter
2023-02-14 03:03 UT (#1098174-78)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
  
Images of SN 2022aaiq (NGC 5631) on Supernova 2022 Page >>

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NGC 5784 - Spiral Galaxy with Type Ia Supernova 2023bch

NGC 5784 with SN 2023bch (Bootes)
SN 2023bch (Type: Ia) discovered 2023-01-30.380 UT by ASAS-SN
Alias: ASASSN-23am, ZTF18aamzgzi
Discovery Mag 15.4
 ( Rochester Supernova site | TNS 2023bch )
 
NGC 5784 - Spiral Galaxy
with adjacent galaxies
PGC 53237 (catalog mag +16.2), PGC 2201883 (catalog +17.1), 
PGC 2201071 (catalog mag +18.0),  PGC 2199883 (catalog mag +18.4)
Image
Annotated CCD Image (50% size, square root scale)
3 x 180s exposure (average combine), 3x3 binning, Clear Filter
2023-02-13 23:49 UT (#1098108-11)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
  
NGC 5784 with SN 2023bch - 2023-02-14 (T+14.8d)
Image below (2023-02-14.135) was taken 14.8 days after discovery of 2023bch
Position of reported SN (not separately distinguishable) is shown by white cross-hairs
Image
Annotated CCD Image (125% size, log scale, cropped)
5 x 180s exposure (average combine), 3x3 binning, Clear Filter
2023-02-14 03:23 UT (#1098181-85)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
  
Images of SN 2023bch (NGC 5784) on Supernova 2023 Page >>

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UGC 8046 - Spiral Galaxy with Type II Supernova SN 2022zxr

UGC 8046 with SN 2022zxr (Ursa Major)
SN 2022zxr (Type: II) discovered 2022-11-10.491 UT by ZTF
Alias: ZTF22abtcyhv
Discovery Mag +16.65
 ( Rochester Supernova site | TNS 2022zxr )
 
UGC 8046 with SN 2022zxr - 2023-02-14 (T+95.6d)
Image below (2023-02-14.061) was taken 95.6 days after discovery of 2022zxr
Position of reported SN (bright) is shown by white cross-hairs
Measured magnitude  +16.72
Image
Annotated CCD Image (150% size, square root scale, cropped)
5 x 180s exposure (average combine), 3x3 binning, Clear Filter
2023-02-14 01:37 UT (#1098142-46)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
  
Images of SN 2022zxr (UGC 8046) on Supernova 2022 Page >>

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UGC 10407 - Irregular Galaxy with Transient AT 2022adyb

UGC 10407 with AT 2022adyb (Hercules)
AT 2022adyb (Type: unk) discovered 2022-12-23.509 UT by ZTF
Alias: ZTF22acaunvv
Discovery Magnitude +18.00
Rochester Supernova site | TNS 2022adyb |
 
UGC 10407 with AT 2022adyb - 2023-02-14 (T+52.7d)
Image below (2023-02-14.183) was taken 52.7 days after discovery of 2022adyb
Position of transient (faint) is shown by white cross-hairs
Measured Magnitude ?
Image
Annotated CCD Image (150% size, square root scale, cropped)
5 x 180s exposure (average combine), 3x3 binning, Clear Filter
2023-02-14 04:32 UT (#1098202-06)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
  
Images of AT 2022adyb (UGC 10407) on Transients 2022 Page >>

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