David's Astronomy Pages CCD Images - Session 836 (2020-11-28)

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29P/Schwassmann-Wachmann - Comet 398P/Boattini - Comet C/2019 L3 (ATLAS) - Comet C/2020 M3 (Atlas) - Comet     NGC 2782 - Spiral Galaxy with Type Ia Supernova 2020scc NGC 6910 - Open Cluster (Herschel VIII-56) NGC 7640 - Spiral Galaxy     Variable Stars (photometric monitoring) - RX And, U And, Z And, TT ARi, CI Cyg, S Cyg, SS Cyg, BL Lac, CY Lyr, CN Ori, GK Per, ER UMa - SU Tau attempt (failed due to cloud)     Nearby Stars (astrometric monitoring) - HH And, DX Cnc, 61 Cyg, Scholz's Star

- Night session (8.5 hours) - Main aims of the session were the acquisition of a selection of variable star, nearby star and comet targets and deep sky targets if possible (allowing for bright moonlit skies) - 12" LX200 + ST-10XME for imaging - TS 80mm APO + ZWO ASI178MC for guiding & imaging - Ambient Temperature: 2.5°C (min) - CCD Temperature:  -25°C - Notes from 2020-11-28 >>      -

29P/Schwassmann-Wachmann - Comet

29P/Schwassmann-Wachmann (passing through Aries) Sun Distance 5.84 AU Earth Distance 4.95 AU (740.0 million km) Image affected by glare from full moon, 16 deg offset		29P/Schwassmann-Wachmann  - 2020-11-28, Detail Autoguided on offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra -14.51 arcsec/hr, Dec -7.21 arcsec/hr)
Annotated CCD Image (50% size, linear scale) 9 x 30s exposure (average combine), 3x3 binning, C Filter 2020-11-28 21:34 UT (#836156-64) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2		CCD Image (100% size, linear scale, cropped) Image details as left
Images of 29P/Schwassmann-Wachmann on Comets 2020 Page >>

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398P/Boattini - Comet

398P/Boattini (passing through Eridanus) Sun Distance 1.34 AU Earth Distance 0.41 AU (61.1 million km)		398P/Boattini - 2020-11-29, Detail Alias: P/2020 P2 (Boattini) Autoguided on offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra 13.44 arcsec/hr, Dec 17.76 arcsec/hr)
Annotated CCD Image (50% size, linear scale) 16 x 45s exposure (average combine), 3x3 binning, C Filter 2020-11-28 22:07 UT (#836173-94) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2		CCD Image (100% size, linear scale, cropped) Image details as left
Images of 398P/Boattini on Comets 2020 Page >>

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C/2019 L3 (ATLAS) - Comet

C/2019 L3 (ATLAS) (passing through Cassiopeia) Sun Distance 5.05 AU (approaching) Earth Distance 4.48 AU (670.4 million km)		C/2019 L3 (ATLAS)  - 2020-11-28, Detail Autoguided on offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra 3.30 arcsec/hr, Dec -20.10 arcsec/hr)
Annotated CCD Image (50% size, square root scale) 7 x 45s exposure (average combine), 3x3 binning, C Filter 2020-11-28 19:55 UT (#836084-90) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2		CCD Image (100% size, square root scale, cropped) Image details as left
Images of C/2019 L3 (ATLAS) on Comets 2020 Page >>

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C/2020 M3 (Atlas) - Comet

C/2020 M3 (Atlas) (passing through Orion) Sun Distance 1.37 AU (receeding) Earth Distance 0.39 AU (58.3 million km)		C/2020 M3 (Atlas) - 2020-11-29, Detail Autoguided on offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra -12.55 arcsec/hr, Dec 173.58 arcsec/hr)
CCD Image (50% size, square root scale) 2 x 15s exposure (average combine), 3x3 binning, C Filter 2020-11-29 00:19 UT (#836245-46) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2		CCD Image (100% size, square root scale, cropped) 11 x 15s exposure (average combine), 3x3 binning, C Filter 2020-11-29 00:20 UT (#836245-55) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
Images of C/2020 M3 (Atlas) on Comets 2020 Page >>

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NGC 2782 - Spiral Galaxy (ARP 215) with Type Ia Supernova 2020scc

NGC 2782 with SN 2020scc (Lynx) SN 2020scc (Type Ia, z=0.008483) discovered 2020/08/20.915 by Xingming Observatory Sky Survey (XOSS)  ( Rochester Supernova site | Discovery image | )

NGC 2782 with SN 2020scc - Detail, 2020-11-28 (T+100.1d) Image below (2020-11-28.944) was taken 100.1 days after discovery of SN 2020scc SN is shown by white cross hairs.  SN is to faint to get a magnitude measurement

Annotated CCD Image (100% size, square root scale, cropped) 3 x 180s exposure (average combine), 3x3 binning, C Filter 2020-11-28 23:48 UT (#836238-42) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of SN 2020scc (NGC 2782) on Supernovae 2020 Page >>

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NGC 6910 - Open Cluster (Herschel VIII-56)

NGC 6910 / Herschel VIII-56 (Cygnus)

CCD Image (70% size, linear scale) 4 x 45s exposure (average combine), 3x3 binning, C Filter 2020-11-28 23:19 UT (#836226-31) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

CCD Image (70% size, square root scale) Image details as above

NGC 6910 - Earlier Image (2008)

CCD Image (log scale) 3 x 120 sec exposure (average combine),  2x2 binning, C Filter 2008-09-21 02:52 UT (#303341-43) 8" LX200 +ST-7E

CCD Image (log scale) Image details as above

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NGC 7640 - Spiral Galaxy

NGC 7640 (Andromeda) Taken through Ha Narrow Band Filter - Full Moon (intended to be taken from Dual Band filter !) Galaxy is hardly visible

CCD Image (50% size, square root scale) 6 x 180s exposure (average combine), 3x3 binning, Ha Filter 2020-11-28 22:35 UT (#836197-202) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

NGC 7640 - Earlier Image (2019-12-30) Taken through Clear Filter, Moonless Night

CCD Image (50% size, square root scale) 6 x 180s exposure (average combine), 3x3 binning, DB Filter 2019-12-30 19:10 UT (#733010-15) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

NGC 7640 - Detail

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

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