David's Astronomy Pages CCD Images - Session 709 (2019-10-12)

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C/2017 T2 (PanStarrs) - Comet C/2018 N2 (ASASSN) - Comet     Variable Stars (photometric monitoring)   - U And, Z And, CI Cyg, S Cyg, SS Cyg, U Gem, AM Her, CY Lyr, FO Ori, FU Ori, DY Per, GK Per, CM Tau, RR Tau, SU Tau, X Tri     Nearby Stars (astrometric monitoring)  - 61 Cyg, Teegardens Star

- Night session (6.9 hours) Session operated in fully automated mode with  monitoring during the first 2 hours - Main aim of the session was to take images of selected comets & deep sky targets and to checkout bug fixes to AstroMain / AstroGuard, and use observatory in 'RainTrim' mode for first time.     - 12" LX200 + ST-10XME for imaging - TS 80mm APO + ZWO ASI178MC for guiding & imaging - Ambient Temperature:  9.0°C (min) before climbing later to 8°C Outdoors 8.5°C (min) (Dew heaters on automated) - CCD Temperature:  -15°C  (70% av. power) - Notes from 2019-10-12 >>

C/2017 T2 (PanStarrs) - Comet

C/2017 T2 (PanStarrs) - 2019-10-12 (passing through Auriga) Sun Distance 3.04 AU Earth Distance 2.50 AU (374.3 million km)		C/2017 T2 (PanStarrs) - 2019-10-12, Detail Autoguided on a star using Lock Shift set at the comet's rate of motion (Ra 3.59 arcsec/hr, Dec 35.60 arcsec/hr)
CCD Image (50% size, square root scale) 7 x 45s exposure (average combine), 3x3 binning, C Filter 2019-10-12 23:25 UT (#709177-84) 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/2017 T2 (PanStarrs) on Comets 2019 Page

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C/2018 N2 (ASASSN)  - Comet

C/2018 N2 (ASASSN) - 2019-10-12 (passing through Triangulum) Sun Distance 3.14 AU Earth Distance 2.22 AU (332.3 million km)		C/2018 N2 (ASASSN)  - 2019-10-12, Detail Autoguided using Lock Shift set at the rates of Comet's predicted RA/Dec motion
CCD Image (50% size, square root scale) 3 x 45s exposure (average combine), 3x3 binning, C Filter 2019-10-12 20:25 UT (#709057-59) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2		CCD Image (100% size, cropped) 8 x 45s exposure (average combine), 3x3 binning, C Filter 2019-10-12 20:28 UT (#709057-65) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
Images of C/2018 N2 (ASASSN) on Comets 2019 Page >>

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