David's Astronomy Pages Images - Session 645 (2018-12-28)

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Session Notes

46P/Wirtanen - Comet     Photometric Monitoring - Variables    - Z And, CI Cyg, SS Cyg, BL Lac, V Sge - NV Ori attempt (failed due to cloud)     Astrometric Monitoring - Nearby Stars  - HH And, Groombridge 34

- Evening Session (7.8 hours duration) . Poor-Moderate sky transparency - Main aim of the session was acquire images of a selection of nearby stars, variable stars and deep sky objects , and perform software testing.'     - 12" LX200 + ST-10XME for imaging - TS 80mm APO + ZWO ASI178MC for guiding & imaging - Ambient Temperature:  -3°C (minimum)  - CCD Temperature:  -20°C (77% av. power) - Notes from 2018-12-28 >>

46P/Wirtanen - Comet

46P/Wirtanen  (passing through Auriga) Sun Distance 1.08 AU Earth Distance 0.11 AU (16.2 million km)		46P/Wirtanen - Detail
CCD Image (50% size, linear scale) 4 x 15s exposure (average combine), 3x3 binning, C Filter 2018-12-28 21:12 UT (#645119-22) 12" LX200R (at f/10.4) + ST-10XME		CCD Image (100% size, log scale) Image details as left
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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