David's Astronomy Pages
CCD Images - Session 913 (2021-09-08)

Objects Session Notes
Bullet 3C 58 - Supernova Remnant (attempt)
    
Bullet UGC 10607 - Spiral Galaxy with Type Ia Supernova 2021xgx
    
Bullet Variable Stars (photometric monitoring)
- SS Cyg
    
Bullet Nearby Stars (astrometric monitoring)
- HH And
  
   
- Late Evening Session (2.8 hours).
- Session finished early due to cloud
- Main aims of the session were to acquire a selection of targets as conditions allowed
- 12" LX200 + ST-10XME for imaging
- TS 80mm APO + ZWO ASI178MC for guiding & imaging
- Ambient Temperature: 13.5°C (min)
- CCD Temperature:  -5°/-10°C
- Notes from 2021-09-08 >>
   [ Local Files >> ]  
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3C 58 - Supernova Remnant (attempt)

3C 58 (Cassiopeia)
Further attempted image of the supernova remnant 3C 58
30 min total exposure
(again the SN remnant is not visible)
Image 
 CCD Image (50% size)
10 x 180s exposure (average combine), 3x3 binning, C Filter
2021-09-08 23:32 UT (#913037-46)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
 
 3C 58 Region - Detail
Although image quality is good with sharply defined stars
there is no hint of any nebulosity
 Image
Negative CCD Image (85% size, cropped)
Image details as above
 
3C 58 - Reference Image  (Credit: NASA/CXC/SAO)
https://www.nasa.gov/chandra/multimedia/chandra-15th-anniversary-3c58.html
Image
Reference Image rescaled to same scale as above image
 
 3C 58 Region - Earlier Image (2020-01-20)
Image affected by poor seeing but no sign of
supernova remnant in this image  (24 min total exposure )
 Image
CCD Image (85% size, cropped)
8 x 180s exposure (average combine), 3x3 binning, C Filter
2020-01-20 02:03 UT (#743073-82)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
 
 3C 58 Region - Detail  (2020-01-20)
No sign of  supernova remnant in this image 
when image is pushed to maximum contrast
 Image
CCD Image (85% size, cropped)
Image details as above
 

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UGC 10607 - Spiral Galaxy with Type Ia Supernova 2021xgx

UGC 10607 with SN2021xgx (Hercules)
SN 2021xgx (Type: Ia) discovered 2021-08-29.711 UT by ASAS-SN
Alias: ASASNS-21qp, Gaia21ebg
Discovery Magnitude 17.05 (g-SLOAN filter)
( Rochester Supernova site | Manfred Mrotzek image |
( TNS 2021xgx | Gaia21ebg )
 
UGC 10607 with SN2021xgx - 2021-09-08 (T+10.2d)
Image below (2021-09-08.879) was taken 10.2 days after discovery of 2021xgx
SN position is shown by white cross-hairs.
Measured magnitude +15.1 (SN + Galaxy Nucleus)
Image
CCD Image (125% size, square root scale, cropped)
3 x 180s exposure (average combine), 3x3 binning, C Filter
2021-09-08 21:12 UT (#913004-06)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
 
Images of SN 2021xgx (UGC 10607) on Supernovae 2021 Page >>
 

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