David's Astronomy Pages
CCD Images - Session 808 (2020-09-13)

Objects Session Notes
Bullet C/2019 L3 (ATLAS) - Comet
   
Bullet B110 - Dark Nebula
   
Bullet NGC 7592 - Spiral Galaxy
Bullet NGC 7722 - Spiral Galaxy with Type Ia Supernova 2020ssf
   
Bullet SHK 362 - Faint Compact Galaxy Group (PGC 1589968 et al)
   
Bullet UGC 6930 - Spiral Galaxy with Type Ia Supernova 2020rcq
Bullet UGC 11893 - Spiral Galaxy (PGC 67966)
Bullet UGC 12430 - Spiral Galaxy (PGC 70734)
   
Bullet Variable Stars (photometric monitoring)
- SS Cyg, BL Lac

- And Z, AM Her, V Sge attempts failed due to cloud/no link
   
Bullet Nearby Stars (astrometric monitoring)
- 61 Cyg
  
   
- Night session (4.0 hours total)
- Main aims of the session were the acquisition of a selection of deep sky targets if conditions allowed. 
- 12" LX200 + ST-10XME for imaging
- TS 80mm APO + ZWO ASI178MC for guiding & imaging
- Ambient Temperature: 16°C (min)
- CCD Temperature:  -5°C 
- Notes from 2020-09-13 >>
    
-  
   

C/2019 L3 (ATLAS) - Comet

C/2019 L3 (ATLAS)
(passing through Cassiopeia)
Sun Distance 5.51 AU  (approaching)
Earth Distance 5.08 AU (759.9 million km)
(forecast mag +15.4)
   C/2019 L3 (ATLAS)  - 2020-09-13, Detail
Autoguiding failed on this occasion
Comet's rate of motion is small
(Ra -27.13 arcsec/hr, Dec 9.87 arcsec/hr)
Image   Image
Annotated CCD Image (50% size, linear scale)
5 x 45s exposure (average combine), 3x3 binning, C Filter
2020-09-13 23:31 UT (#808104-10)
12" LX200R (at f/10.4) + ST-10XME
  CCD Image (100% size, linear scale, cropped)
Image details as left
     
Images of C/2019 L3 (ATLAS) on Comets 2020 Page >>    


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B110 - Dark Nebula

B110 (Scutum)
Barnards Dark Nebula
Near Ast.Now Deep Sky Challenge B106/B107, Aug 2020)
 ( Note : Top right frame is missing from mosaic - it was cancelled to prevent
observation from overrunning its time slot )
3 x 3 Mosaic, FOV 44.4 x 29.3 arc min
Image
CCD Mosaic, 3x3  (27% size, linear scale)
Frames  60s exposure (single frame), 3x3 binning, C Filter
2020-09-13 21:02 UT (#808022-35)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
[ Larger Image (70% size) ]

( See also Internet - http://www.astrosurf.com/buil/gallery/b110/img.htm )
 

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NGC 7592 - Spiral Galaxy

NGC 7592 (Aquarius)
Interacting Galaxy
Image
Annotated CCD Image  (50% size, square root scale)
4 x 180s exposure (average combine), 3x3 binning, C Filter
2020-09-13 22:09 UT (#808077-81)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
 
NGC 7592 - Detail
Image
CCD Image (125% size, square root scale, cropped)
Image details as above
 
 Image
 Negative CCD Image (125% size, square root scale, cropped)
Image details as above
 

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NGC 7722 - Spiral Galaxy with Type Ia Supernova 2020ssf

NGC 7722 (Pegasus)
SN 2020ssf (Type Ia , zhost=0.013350) , TNS discovered 2020/09/06.252 by Zwicky Transient Facility (ZTF)
 (Rochester Supernova site | Andre Mantero image | )
 
NGC 7722 with neighbouring galaxies
NGC 7722 / PGC 71993 (catalog mag +13.3),   PGC 1498368 (catalog mag +17.6),
PGC 214970 (catalog mag +17.7), PGC 1496854 (catalog mag +18.0)
Image
Annotated CCD Image (50% size, square root scale)
3 x 120s exposure (average combine), 3x3 binning, C Filter
2020-09-13 20:27 UT (#808011-14)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
 
NGC 7722 with SN 2020ssf -2020-09-13 (T+7.6d)
Image below (2020-09-13.852) was taken 7.6 days after discovery of SN 2020ssf
SN is shown by white cross hairs.
Image
CCD Image (125% size, square root scale, cropped)
Image details as above
 
NGC 7722 with SN 2020ssf -2020-09-13 (T+7.6d)
SN is shown by black cross hairs. SN lies very close to centre of galaxy.
Image
Annotated negative CCD Image (125% size, square root scale, cropped)
Image details as above
 
Images of SN 2020ssf (NGC 7722) on Supernovae 2020 Page >>
 

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SHK 362 - Faint Compact Galaxy Group (PGC 1589968 et al)

SHK 362 (Pegasus)
Shakhbazian Group
Alias: PGC 1589968 et al, III Zw 108
Image
Annotated CCD Image  (50% size, square root scale)
4 x 180s exposure (average combine), 3x3 binning, C Filter
2020-09-13 23:18 UT (#808098-101)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
 
SHK 362 - Detail
Image
CCD Image (100% size, square root scale, cropped)
Image details as above
 
 Image
 Negative CCD Image (100% size, square root scale, cropped)
Image details as above
 

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UGC 6930 - Spiral Galaxy with Type Ia Supernova 2020rcq

UGC 6930 with SN 2020rcq (Ursa Major)
SN 2020rcq (Type 1a, z=0.002597) discovered 2020/08/09.168 by Zwicky Transient Facility (ZTF))
 (Rochester Supernova site | Giancarlo Cortini image | )
 
UGC 6930 with SN 2020rcq - 2020-09-13 (T+35.7d)
Image below (2020-09-13.838) was taken 35.7 days after discovery of SN 2020rcq
SN is shown by white cross hairs.  Measured SN magnitude +13.0
Image
Annotated CCD Image (100% size, linear scale, cropped)
120s exposure (single frame), 3x3 binning, C Filter
2020-09-13 20:07 UT (#808003)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
 
Images of SN 2020rcq (UGC 6930) on Supernovae 2020 Page >>
 
UGC 6930 with SN 2020rcq - Earlier Image 2020-09-03 (T+25.8d)
Image below (2020-09-03.915) was taken 25.8 days after discovery of SN 2020hvf
SN is shown by white cross hairs.  Measured SN magnitude +12.0
Image
Annotated CCD Image (50% size, linear scale)
5 x 120s exposure (average combine), 3x3 binning, C Filter
2020-09-03 21:58 UT (#804067-71)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
 

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UGC 11893 - Spiral Galaxy (PGC 67966)

UGC 11893 (Pegasus)
Flat Galaxy Atlas
Alias:  PGC 67966
Image
Annotated CCD Image  (50% size, square root scale)
4 x 180s exposure (average combine), 3x3 binning, C Filter
2020-09-13 22:09 UT (#808077-81)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
 
UGC 11893 - Detail
Image
CCD Image (100% size, square root scale, cropped)
Image details as above
 
 Image
 Negative CCD Image (100% size, square root scale, cropped)
Image details as above
 

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UGC 12430 - Spiral Galaxy (PGC 70734)

UGC 12430 (Pegasus)
Flat Galaxy Atlas
Alias : PGC 70734
 UGC 12430 / PGC 70734 (catalog mag +15.1)  with adjacent galaxies
PGC 70720 (catalog mag +15.6), PGC 2817351 (catalog mag ?)

Image

Annotated CCD Image (50% size, square root scale)
3 x 180s exposure (average combine), 3x3 binning, C Filter
2020-09-13 22:35 UT (#808085-87)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

 

UGC 12430 - Detail

Image

CCD Image (100% size, square root scale, cropped)
Image details as above

 

Image

Negative CCD Image (100% size, square root scale, cropped)
Image details as above

 

UGC 12430 - Earlier Image (2020-09-09)
Poor quality image

Image

CCD Image (100% size, square root scale, cropped)
3 x 180s exposure (average combine), 3x3 binning, C Filter
2020-09-09 23:45 UT (#807011-14)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

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