David's Astronomy Pages CCD Images - Session 736 (2020-01-04)

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C/2018 N2 (ASASSN) - Comet     Variable Stars (photometric monitoring)   - SY     Nearby Stars (astrometric monitoring)  - DX

- Post midnight session (5 hours total) - Main aims of the session was to test new dual band filter and acquire selection of deep sky targets under moonless sky     - 12" LX200 + ST-10XME for imaging - TS 80mm APO + ZWO ASI178MC for guiding & imaging - Ambient Temperature:  Falling from 4°C to -1°C (min) before rising to +2°C by dawn (Dew heaters on fixed setting 92%) - CCD Temperature:  -20°C  (61% av. power) - Notes from 2020-01-04 >>

C/2018 N2 (ASASSN)  - Comet

C/2018 N2 (ASASSN) - 2020-01-04  (passing through Andromeda) Sun Distance 3.17 AU Earth Distance 3.03 AU (454.0 million km)		C/2018 N2 (ASASSN)  - 2020-01-04, Detail Autoguided on offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra -0.64, Dec 8.16 arcsec/hr)
CCD Image (50% size, square root scale) 9 x 45s exposure (average combine), 3x3 binning, C Filter 2020-01-04 18:35 UT (#736043-51) 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/2018 N2 (ASASSN) on Comets 2019 Page >>

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