David's Astronomy Pages
Images - Session 1093 (2023-01-28)

Objects Session Notes
Bullet 29P/Schwassmann-Wachmann - Comet
Bullet C/2020 V2 (ZTF) - Comet
Bullet C/2022 A2 (PANSTARRS) - Comet
   
Bullet AT 2022vzb - Transient  (Attempt)
Bullet AT 2023fm - CV Type Transient
Bullet AT 2023nf - CV Type Transient
Bullet AT 2023vp - CV Type Transient
   
Bullet IC 1525 - Spiral Galaxy with Transient AT 2023aov  (Attempt)
Bullet NGC 3938 - Spiral Galaxy with Type Ia-02cx Supernova 2022xlp
Bullet NGC 5631 - Spiral Galaxy with Type Ia Supernova 2022aaiq
   
  -  C/2021 Y1 (ATLAS), Nova M33 2022-11a?, NGC 3705 & AT2022ablr attempts failed (due to cloud)
   
Bullet Variable Stars (photometric monitoring)
- BL Lac
 
- SS Cyg attempy failed (due to cloud)
    
Bullet Nearby Stars (astrometric monitoring)
- HH And
 
- Groombridge 34 & CN Ori attempts failed (due to cloud)
  
- Evening session (7.2 hours) interrupted by passing cloud. Poor sky conditions (thin cloud & haze). Cloud thickened at 01:30 and ended the  session.
   
- 12" LX200 + ST-10XME for imaging
- TS 80mm APO + ZWO ASI178MC for guiding & imaging
- Ambient Temperature: 1°C (min) rising later
- CCD Temperature:  -20°/-25°C
- Notes from 2023-01-28 >>
 
   
   

29P/Schwassmann-Wachmann - Comet

29P/Schwassmann-Wachmann - 2023-01-28
(passing through Auriga)

Sun Distance 6.07 AU
Earth Distance 5.22 AU (781.2 million km)
   29P/Schwassmann-Wachmann - 2023-01-28 Detail
Autoguided on offset star using PHD2 with Lock Shift
set at the comet's rate of motion
(Ra -14.77 arcsec/hr, Dec -2.54 arcsec/hr)
Image   Image
Annotated CCD Image (50% size, square root scale)
8 x 60s exposure (average combine), 3x3 binning, Clear Filter
2023-01-28 20:29 UT (#1093070-78)
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)
8 x 60s exposure (average combine), 3x3 binning, Clear Filter
2023-01-28 20:29 UT (#1093070-78)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
     
     
Images of 29P/Schwassmann-Wachmann on Comets 2023 Page >>    

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C/2020 V2 (ZTF) - Comet

C/2020 V2 (ZTF) - 2023-01-28
(passing through Cassiopeia)
Sun Distance 2.50 AU (approaching)
Earth Distance 2.19 AU (327.9 million km)
   C/2020 V2 (ZTF) - 2023-01-28 Detail
Autoguided on offset star using PHD2 with Lock Shift
set at the comet's rate of motion
(Ra 8.03 arcsec/hr, Dec -105.64 arcsec/hr)
Image   Image
Annotated CCD Image (50% size, square root scale)
3 x 60s exposure (average combine), 3x3 binning, Clear Filter
2023-01-28 18:55 UT (#1093019-21)
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
2023-01-28 19:02 UT (#1093019-33)
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) - 2023-01-28
(passing through Draco)

Sun Distance 1.76 AU (approaching)
Earth Distance 1.65 AU (247.0 million km)
   C/2022 A2 (PANSTARRS) - 2023-01-28 Detail
Autoguided on offset star using PHD2 with Lock Shift
set at the comet's rate of motion
(Ra 326.29 arcsec/hr, Dec 1.61 arcsec/hr)
Image   Image
Annotated CCD Image (50% size, square root scale)
2 x 60s exposure (average combine), 3x3 binning, Clear Filter
2023-01-28 18:37 UT (#1093007-08)
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
2023-01-28 18:36 UT (#1093005-09)
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 >>    

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AT 2022vzb - Transient (Attempt)

AT 2022vzb (Taurus)
AT 2022vzb (Type: unk) discovered 2022-09-26.445 UT by ZTF
Alias: ZTF22abilejl, Gaia22egf
Discovery Magnitude 16.70 (g-ZTF) ,
apparently hostless transient
Gaia shows transient at 17.80 (g-Gaia) by T+11.1d
and then declining to 19.25 by T+27.1d
 ( TNS 2022vzb | Gaia22egf)

 
AT 2022vzb - 2023-01-28 (T+124.5d)
Image below (2023-01-28.968) was taken 124.5 days after discovery of 2022vzb
Position of reported transient (not visible) is shown by white circle

Image

Annotated CCD Image (100% size, linear scale, cropped)
3 x 180s exposure (average combine), 3x3 binning, Clear Filter
2023-01-28 23:19 UT (#1093144-46)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
 
Images of AT 2023vp on Transients 2022 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 - 2023-01-28 (T+18.1d)
Image below (2023-01-28.781) was taken 18.1 days after discovery of 2023fm
Position of reported transient (distinct) is shown by white cross-hairs
Measured mag +13.43
Image
Annotated CCD Image (100% size, linear 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 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 - 2023-01-28 (T+14.3d)
Image below (2023-01-28.864) was taken 14.3 days after discovery of 2023nf
Position of reported transient (faint) is shown by white cross-hairs 
Measured magnitude +15.30

Image

Annotated CCD Image (100% size, linear scale, cropped)
4 x 180s exposure (average combine), 3x3 binning, Clear Filter
2023-01-28 20:51 UT (#1093085-88)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
 
Images of AT 2023nf on Transients 2023 Page >>

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AT 2023vp - CV Type Transient

AT 2023vp (Perseus)
AT 2023vp (Type: CV) discovered 2023-01-16.677 UT by Gaia
Alias: Gaia23ahq
Discovery Magnitude 12.47 (G-Gaia Filter) (vs Historic magnitude 12.69)
~0.2 mag rise in Gaia source
 ( TNS 2023vp | Gaia23ahq)

 
AT 2023vp - 2023-01-28 (T+12.2d)
Image below (2023-01-28.888) was taken 12.2 days after discovery of 2023vp
Position of reported transient (bright) is shown by white cross-hairs 
Measured magnitude +12.63

Image

Annotated CCD Image (100% size, linear scale, cropped)
5 x 60s exposure (average combine), 3x3 binning, Clear Filter
2023-01-28 21:22 UT (#1093109-13)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
 
Images of AT 2023vp 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+3.7d)
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 - 2023-01-28 (T+3.7d)
Image below (2023-01-28.833) was taken 3.7 days after discovery of 2023aov
Position of reported transient (very faint / not visible) is shown by white cross-hairs
Image
Annotated CCD Image (150% size, square root scale, cropped)
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
  
Images of AT 2023aov (IC 1525) on Transients 2023 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 - 2023-01-28 (T+107.1d)
Image below (2023-01-28.953) was taken 107.1 days after discovery of 2022xlp
Position of SN (not visible) shown by white cross-hairs
Poor quality image (poor sky transparency and/or condensation in optics)
Image
Annotated CCD Image (100% size, square root scale, cropped)
5 x 180s exposure (average combine), 3x3 binning, Clear Filter
2023-01-05 01:15 UT (#1082111-15)
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 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 - 2023-01-28 (T+74.8d)
Image below (2023-01-28.896) was taken 74.8 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
2023-01-28 21:39 UT (#1093117-21)
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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