David's Astronomy Pages CCD Images - Session 715 (2019-10-25)

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Session Notes

C/2017 T2 (PanStarrs) - Comet     NGC 985 - Spiral Galaxy       - C/2019 Q4 (Borisov), NGC 1614, NGC 3279, NGC 3454, NGC 3455, UGC 4596 & SHK-1 attempts failed due to cloud      Variable Stars (photometric monitoring)   - RX And, U And, Z And, S Cyg, BL Lac - TT Ari, SY Cnc, SS Cyg, U Gem, RZ LMi, CN Ori, FO Ori, FU Ori, NV Ori, RR Tau, SU Tau and ER UMa attempts failed due to cloud      Nearby Stars (astrometric monitoring)  - HH And, 61 Cyg, Groombridge 34, Teegardens Star, - DX Cnc, CN Ori, LAMOST-HVS1 & Scholz's Star attempts failed due to cloud

- Full night session (9.8 hours) Session operated with remote monitoring for first 2 hours.  Sky effectively clouded over after 3 hours and session should have been suspended, but this was high cloud and was not readily picked up by the Cloud Sensor (clarity values didn't drop below 28) . - Main aim of the session was to test automated SharpCap imaging capture and integration with AstroMain /PHD2 and acquire selection of targets     - 12" LX200 + ST-10XME for imaging - TS 80mm APO + ZWO ASI178MC for guiding & imaging - Ambient Temperature:  Falling from 2°C to  1°C (min), before climbing to 4°C due to developing cloud. (Dew heaters on new automated control) - CCD Temperature:  -20°C  (61% av. power) - Notes from 2019-10-25 >>

C/2017 T2 (PanStarrs) - Comet

C/2017 T2 (PanStarrs) - 2019-10-25 (passing through Auriga) Sun Distance 2.91 AU Earth Distance 2.22 AU (331.9 million km)		C/2017 T2 (PanStarrs) - 2019-10-25, Detail Autoguided on a star using Lock Shift set at the comet's rate of motion (Ra -11.32 arcsec/hr, Dec 43.67 arcsec/hr)
CCD Image (50% size, linear scale) 6 x 45s exposure (average combine), 3x3 binning, C Filter 2019-10-25 23:21 UT (#715121-27) 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 C/2017 T2 (PanStarrs) on Comets 2019 Page

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NGC 985 - Spiral Galaxy

NGC 985 (Cetus) Ring Galaxy, J.Lowrey List Image quality is poor. (Target due to be rescheduled for a later session)

CCD Image (100% size, square root scale, cropped) 2 x 180s exposure (average combine), 3x3 binning, C Filter 2019-10-26 00:11 UT (#715164-65) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

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