David's Astronomy Pages
CCD Images - Session 785 (2020-05-28)

Objects Session Notes
Bullet GRB 200529A - GRB (Swift 974942)
   
Bullet NGC 4290 - Spiral Galaxy
   
Bullet UGC 9422 - Spiral Galaxy (PGC 52247)
Bullet UGC 10561 - Spiral Galaxy (PGC 58960)
   
Bullet Variable Stars (photometric monitoring)
- R CrB, TBA
   
Bullet Nearby Stars (astrometric monitoring)
- Barnards Star
  
   
- All Night Session (2.9 hours total). 
- Main aims of the session was to test new version of AstroMain (3.22.3) and acquire useful images if possible.
   
- 12" LX200 + ST-10XME for imaging
- TS 80mm APO + ZWO ASI178MC for guiding & imaging
- Ambient Temperature: Falling to 6°C (min) by dawn
- CCD Temperature:  -15°C  (71% av. power)
- Notes from 2020-05-28 >>
    
   

GRB 200529A - GRB (Swift 974942)

GRB 200529A (T0+6 mins)  (Libra)
Swift Trigger 974942,  T0 at 2020-05-29 00:56:35 UT

Image of GRB Location taken 6 minutes after GRB Trigger
Limiting magnitude ~16.0, T-Exp 30s, C Filter
Image
CCD Image (70% size, linear scale)
30s exposure (single frame), 3x3 binning, C Filter
2020-05-29 01:02 UT (#785082)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
[ more details on Observatory Reaction to GCN Alert, GRB Swift 974942 (GRB 200529A)  ]
 
GRB 200529A Location - Detail (T0+21 mins)
Image of GRB Location taken 21 minutes after GRB Trigger
Limiting magnitude ~17.2, T-Exp 720s, C Filter
Image
CCD Image (70% size, linear scale, with corrective flattening)
4 x 180s exposure (average combine), 3x3 binning, C Filter
2020-05-29 01:18 UT (#785090-93)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
 
GRB 200529A Analysis (T0+21 mins)
 Image of GRB Location taken 21 minutes after GRB Trigger.
Limiting magnitude ~17.2, T-Exp 720s, C Filter

No indication of optical afterglow at the location reported
by NOT/KAIT/Swift-XRT (marked by blue cross-hair)
Image
Annoated CCD Image (100% size, linear scale, cropped)
Image details as above
 
Original Image with histogram showing just how bright the sky background is
Image
CCD Image (70% size, linear scale , without corrective flattening)
Image details above
 

Back to Top


NGC 4290 - Spiral Galaxy

NGC 4290 (Ursa Major)

 NGC 4290 (catalog mag +13.1) with adjacent galaxies
 NGC 4284 (catalog mag +13.6) , PGC 39934 (catalog mag +17.4),
 PGC 2575283  (catalog mag +18.3)
Image
Annotated CCD Image (50% size, square root scale)
4 x 180s exposure (average combine), 3x3 binning, C Filter
2020-05-28 23:31 UT (#785021-24)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
 
NGC 4290 - 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
 
NGC 4290 - Earlier Image (2005)
Image
CCD Image (100% size, linear scale)
4 x 60 sec exposure (average combine), 2x2 binning, C filter
2005-06-09  23:57 h UT (#89007-11)
8" LX200 Classic + ST-7E Camera
 

Back to Top


UGC 9422 - Spiral Galaxy (PGC 52247)

UGC 9422 (Bootes)
Flat Galaxy Atlas Object
Alias: PGC 52247
Slight glare to lower left of image is from mag +5.7 star
HIP 71568, located 2.75' outside FOV.
Image
Annotated CCD Image (50% size, square root scale)
4 x 180s exposure (average combine), 3x3 binning, C Filter
2020-05-28 23:52 UT (#785028-32)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
 
UGC 9422 - 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 9422 - Earlier Image (2020-04-28)
Image
CCD Image (100% size, square root scale, cropped)
180s exposure (single frame), 3x3 binning, C Filter
2020-04-28 01:17 UT (#775101)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
 

Back to Top


UGC 10561 - Spiral Galaxy (PGC 58960)

UGC 10561 (Draco)
Flat Galaxy Atlas Object
Alias: PGC 58960
Star showing blooming streak to lower left of
target galaxy is HIP 82136 (mag +8.2)
Image
Annotated CCD Image (50% size, square root scale)
5 x 180s exposure (average combine), 3x3 binning, C Filter
2020-05-29 00:16 UT (#785035-39)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
 
UGC 10561 - 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
 

Back to Top