David's Astronomy Pages
Images - Session 1012 (2022-05-27)

Objects Session Notes
Bullet C/2017 K2 (PANSTARRS) - Comet
   
Bullet AT 2022jrp - CV Type Transient (UG Candidate)
   
Bullet NGC 4545 - Spiral Galaxy with Type II Supernova 2022fuc
   
Bullet Variable Stars (photometric monitoring)
- R CrB, SS Cyg, U Her
    
Bullet Nearby Stars (astrometric monitoring)
- None
  
- All night session (2.6 hours)
- Summer twilight conditions
   
- 12" LX200 + ST-10XME for imaging
- TS 80mm APO + ZWO ASI178MC for guiding & imaging
- Ambient Temperature: 5.5°C (min)
- CCD Temperature:  -15°C
- Notes from 2022-05-27 >>
 
   
   

C/2017 K2 (PANSTARRS) - Comet

C/2017 K2 (PANSTARRS)
(passing through Ophiuchus)
Sun Distance 3.07 AU (approaching)
Earth Distance 2.26 AU (338.6 million km)
   C/2017 K2 (PANSTARRS) - 2022-05-28 Detail
Autoguided on offset star using PHD2 with Lock Shift
set at the comet's rate of motion
(Ra -49.63 arcsec/hr, Dec -18.48 arcsec/hr)
Image   Image
Annotated CCD Image (50% size, square root scale)
3 x 45s exposure (average combine), 3x3 binning, C Filter
2022-05-28 00:10 UT (#1012006-08)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
  CCD Image (100% size, log scale, cropped)
9 x 45s exposure (average combine), 3x3 binning, C Filter
2022-05-28 00:13 UT (#1012006-14)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
     
Images of C2017 K2 (PANSTARRS) on Comets 2021 Page >>    
Images of C2017 K2 (PANSTARRS) on Comets 2022 Page >>    

C/2017 K2 (PANSTARRS)  - False Colour Image
Inverse Spectrum
  
C/2017 K2 (PANSTARRS)  -  2022-05-28
Image
False Colour CCD Image (70% size, log scale)
9 x 45s exposure (average combine), 3x3 binning, C Filter
2022-05-28 00:13 UT (#1012006-14)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
 

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AT 2022jrp - CV Type Transient (UG Candidate)

AT 2022jrp (Bootes)
AT 2022jrp (Type: CV) discovered 2022-05-09.812 UT by XOSS
Alias: XM116HT
Discovery Magnitude +12.8
' Classification : CV Type (Spectrum shows a blue continuum
with H alpha in emission at zero redshift) '
Rochester Supernova site | TNS 2022jrp | XM116HT Discovery)
 
AT 2022jrp - 2022-05-28 (T+18.2d)
Image below (2022-05-28.042) was taken 18.2 days after discovery of 2022jrp
Position of reported transient is shown by white cross-hairs
Measured magnitude +15.74 (fading)
Image
Annotated CCD Image (100% size, linear scale, cropped)
5 x 60s exposure (average combine), 3x3 binning, C Filter
2022-05-28 01:03 UT (#1012036-40)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
  
AT 2022jrp - Reference Image
No obvious indication of an object at position
of reported transient shown by mauve cross-hairs
Image
DSS2 Image captured via in Aladin
  
Images of AT 2022jrp on Transients 2022 Page >>

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NGC 4545 - Spiral Galaxy with Type II Supernova 2022fuc

NGC 4545 with SN2022fuc (Draco)
SN 2022fuc (Type: II) discovered 2022-04-02.878 UT by Giancarlo Cortini
Alias: ATLAS22lhg, ZTF22aadpuwe
Discovery Magnitude 17
' Past image of the same field taken on 2022/03/03.98
showed nothing at that position (limit mag.+18.5) '
 ( Rochester Supernova site | TNS 2022fuc )
 
NGC 4545 with SN 2022fuc - 2022-05-28 (T+55.2d)
Image below (2022-05-28.028) was taken 55.2 days after discovery of 2022fuc
Position of SN (faint but distinct) is shown by white cross-hairs
Poor quality image (due to pasing cloud/poor sky transparency, some wind shake)
Image
Annotated CCD Image (150% size, square root scale, cropped)
3 x 180s exposure (average combine), 3x3 binning, C Filter
2022-05-28 00:47 UT (#1012029-31)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
  
Images of SN 2022fuc (NGC 4545) on Supernovae 2022 Page >>

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