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

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Images (S786)

Objects	Session Notes
NGC 4290 - Spiral Galaxy UGC 9422 - Spiral Galaxy (PGC 52247) UGC 10561 - Spiral Galaxy (PGC 58960) GRB 200529A - GRB (Swift 974942)     Variable Stars (photometric monitoring) - R CrB, TBA     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 >>

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)

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

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

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

NGC 4290 - Earlier Image (2005)

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

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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.

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

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

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

UGC 9422 - Earlier Image (2020-04-28)

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

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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)

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

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

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

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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

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

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)

Annoated CCD Image (100% size, linear scale, cropped) Image details as above

Original Image with histogram showing just how bright the sky background is

CCD Image (70% size, linear scale , without corrective flattening) Image details above

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