David's Astronomy Pages CCD Images - Session 674 (2019-03-22)

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Session Notes

46P/Wirtanen - Comet C/2018 Y1 (Iwamoto) - Comet     NGC 2423 - Open Cluster (H VII-28)     Photometric Monitoring - Variables   - AM CVn, SY Cnc, R CrB, CI Cyg, S Cyg, SS Cyg, U Gem, AM Her, SS Her, U Herc, BL Lac, CY Lyr, RR Tau     Astrometric Monitoring - Nearby Stars  - DX Cnc, 61 Cyg, Groombridge 34, EV Lac, CN Leo

- Late evening / night session,  Duration 7.3hr Session operated in  fully automated mode, and monitored over remote connection. - Main aim of the session was general observing with mix of variable stars, nearby stars, comets and deep sky targets.      - 12" LX200 + ST-10XME for imaging - TS 80mm APO + ZWO ASI178MC for guiding & imaging - Ambient Temperature:  1°C (min) - CCD Temperature:  -20/25°C  (70%/83% av. power) - Notes from 2019-03-22 >>

46P/Wirtanen - Comet

46P/Wirtanen (passing through Leo Minor) Sun Distance 1.64 AU Earth Distance 0.81 AU (121.7 million km)
Annotated CCD Image (100% size, linear scale) 10 x 15s exposure (average combine), 3x3 binning, C Filter 2019-03-22 22:05 UT (#674051-60) 12" LX200R (at f/10.4) + ST-10XME
More Images of 46P/Wirtanen
46P/Wirtanen  - Earlier Image (2018-12-16) (passing through Taurus) Near to point of closest distance from earth Sun Distance 1.06 AU Earth Distance 0.08 AU (11.6 million km)		46P/Wirtanen  - Earlier Detail (2018-12-16)
CCD Image (50% size, linear scale) 15s exposure (single frame), 3x3 binning, C Filter  2018-12-16 21:03 UT (#641184) 12" LX200R  (at f/10.4) + ST-10XME		CCD Image (50% size, log scale) 31 x 15s exposure (average combine), 3x3 binning, C Filter  2018-12-16 21:03 to 21:16 UT (#641184-222) 12" LX200R  (at f/10.4) + ST-10XME (Autoguided on comet using TS 80mm APO + ZWO ASI178MC & PHD2)

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C/2018 Y1 (Iwamoto) - Comet

C/2018 Y1 (Iwamoto)  (passing through Perseus) Sun Distance 1.44 AU Earth Distance 1.45 AU (216.3 million km)
CCD Image (50% size) 5 x 30s exposure (average combine), 3x3 binning, C Filter 2019-03-23 00:16 UT (#674212-16) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

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NGC 2423 - Open Cluster (H VII-28)

NGC 2423 \ H VII-28 (Puppis)

CCD Image (70% size) 3 x 30s exposure (average combine), 3x3 binning, C Filter 2019-03-22 21:45 UT (#674038-40) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

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