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Images - Session 1078 (2022-12-30)

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Objects Session Notes
Bullet 29P/Schwassmann-Wachmann - Comet
Bullet C/2022 E3 (ZTF) - Comet
   
Bullet NGC 3938 - Spiral Galaxy with Type Ia-02cx Supernova 2022xlp
Bullet NGC 4340 - Spiral Galaxy with Type II Supernova 2022zzz
Bullet NGC 5548 - Spiral Galaxy with Type AGN? Transient AT 2022abcs
   
- NGC 3705 w/SN2022xxf attempt failed (due to poor centering / cloud)
   
Bullet Variable Stars (photometric monitoring)
- None
    
Bullet Nearby Stars (astrometric monitoring)
- None
  
- Short pre-dawn session (2.2h), start delayed by wind.
   
- 12" LX200 + ST-10XME for imaging
- TS 80mm APO + ZWO ASI178MC for guiding & imaging
- Ambient Temperature: -1.5°C (min)
- CCD Temperature:  -25° C
- Notes from 2022-12-30 >>
 
   
   

29P/Schwassmann-Wachmann - Comet

29P/Schwassmann-Wachmann
(passing through Auriga)
Sun Distance 6.06 AU
Earth Distance 5.08 AU (759.8 million km)		    29P/Schwassmann-Wachmann - 2022-12-31 Detail
Autoguided on offset star using PHD2 with Lock Shift
set at the comet's rate of motion
(Ra -20.63 arcsec/hr, Dec -0.49 arcsec/hr)
Image   Image
Annotated CCD Image (50% size, square root scale)
5 x 30s exposure (average combine), 3x3 binning, Clear Filter
2022-12-31 05:20 UT (#1078007-11)
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)
5 x 30s exposure (average combine), 3x3 binning, Clear Filter
2022-12-31 05:20 UT (#1078007-11)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
     
29P/Schwassmann-Wachmann - 2022-12-31 Detail
(passing through Auriga)
(coma fading so difficult to measure limits)		     
Image   Sun Distance  6.06 AU
Earth Distance 5.08 AU (759.8 million km)
(Motion : Ra -20.63 arcsec/hr, Dec -0.49 arcsec/hr)

Detail (150% size)

Annotated CCD Image (150% size, log scale, cropped)
5 x 30s exposure (average combine), 3x3 binning, Clear Filter
2022-12-31 05:20 UT (#1078007-11)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
     
29P/Schwassmann-Wachmann - 2022-12-31 Detail
(passing through Auriga)
Coma diameter: 158"
(coma fading so difficult to measure limits)		     
Image   Sun Distance  6.06 AU
Earth Distance 5.08 AU (759.8 million km)
(Motion : Ra -20.63 arcsec/hr, Dec -0.49 arcsec/hr)

Detail (100% size)

Annotated CCD Image (100% size, log scale, cropped)
9 x 60s exposure (average combine), 2x2 binning, Clear Filter
2022-12-31 05:27 UT (#1078012-20)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
     
     
Images of 29P/Schwassmann-Wachmann on Comets 2022 Page >>    

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C/2022 E3 (ZTF) - Comet

C/2022 E3 (ZTF)
(passing through Corona Borealis)
 Sun Distance 1.13 AU (approaching
Earth Distance 1.06 AU (158.4 million km)		    C/2022 E3 (ZTF) - 2022-12-31 Detail
Autoguided on offset star using PHD2 with Lock Shift
set at the comet's rate of motion
(Ra -5.72 arcsec/hr, Dec 61.61 arcsec/hr)
Image   Image
Annotated CCD Image (50% size, square root scale)
2 x 90s exposure (average combine), 3x3 binning, Clear Filter
2022-12-31 06:46 UT (#1078049-50)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2		   CCD Image (100% size, log scale, cropped)
7 x 90s exposure (average combine), 3x3 binning, Clear Filter
2022-12-31 06:51 UT (#1078049-55)
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 2022 Page >>    

C/2022 E3 (ZTF)  - False Colour
Inverse Spectrum Images
  
C/2022 E3 (ZTF) - 2022-12-31
Image
False Colour CCD Image (70% size, log scale)
7 x 90s exposure (average combine), 3x3 binning, Clear Filter
2022-12-31 06:51 UT (#1078049-55)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
 

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

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 - 2022-12-31 (T+78.5d)
 Image below (2022-12-31.292) was taken 78.5 days after discovery of 2022xlp
Position of SN (very faint) shown by white cross-hairs
Measured magnitude +17.50
Image
Annotated CCD Image (100% size, square root scale, cropped)
4 x 180s exposure (average combine), 3x3 binning, Clear Filter
2022-12-31 07:07 UT (#1078058-61)
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 4340 - Spiral Galaxy with Type II Supernova 2022zzz

NGC 4340 with SN 2022zzz (Coma Berenices)
SN 2022zzz (Type: II) discovered 2022-11-12.824 UT by Koichi Itagaki
Alias: ATLAS22blqo
 ( Rochester Supernova site | TNS 2022zzz )

Although SN 2022zzz has been ascribed to NGC 4340
it seems more likely that the supernova's host galaxy
is the small diminutive galaxy LEDA 213984
 
NGC 4340 with SN 2022zzz - 2022-12-31 (T+48.4d)
 Image below (2022-12-31.248) was taken 48.4 days after discovery of 2022zzz
Position of reported transient (not visible) is shown by white cross-hairs) is shown by white cross-hairs
Image
Annotated CCD Image (150% size, square root scale, cropped)
4 x 180s exposure (average combine), 3x3 binning, Clear Filter
2022-12-31 06:05 UT (#1078033-37)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
  
Images of SN 2022zzz (NGC 4340) on Supernova 2022 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)
 ( TNS 2022abcs )
  
NGC 5548 with AT 2022abcs - 2022-12-31 (T+44.7d)
Image below (2022-12-31.265) was taken 44.7 days after discovery of 2022abcs
Position of reported transient (not separately distinguishable) is shown by white cross-hairs
Measured magnitude +13.49 (nucleus + transient)
Image
Annotated CCD Image (125% size, square root scale, cropped)
4 x 180s exposure (average combine), 3x3 binning, Clear Filter
2022-12-31 06:30 UT (#1078041-45)
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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This Web Page: Images - Session 1078 (2022-12-30)
Last Updated : 2024-06-17
Site Owner : David Richards
Home Page : David's Astronomy Web Site