David's Astronomy Pages CCD Images - Session 717 (2019-10-28)

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Session Notes

C/2018 N2 (ASASSN) - Comet     M39 - Open Cluster     NGC 7243 - Open Cluster     Variable Stars (photometric monitoring)   - RX And, U And, TT Ari, S Cyg, SS Cyg, BL Lac, DY Per, GK Per, FG Sge, V Sge, WZ Sge, RR Tau, ER UMa - SU Tau attempt filed due to cloud     Nearby Stars (astrometric monitoring)  - HH And, 61 Cyg, Groombridge 34, - Teegardens Star attempt failed due to cloud

- Evening session (6.5 hours) Session operated under automated control with remote monitoring for most of the session.   User interventation after an bug continuing new plan and when it was elected to close the session due to cloud conditions and continuing rain shower risk. - Main aim of the session was to acquire a selection of targets and to test new features in AstroMain /AstroShCap     - 12" LX200 + ST-10XME for imaging - TS 80mm APO + ZWO ASI178MC for guiding & imaging - Ambient Temperature:  3°C (min) (Dew heaters on new automated control) - CCD Temperature:  -20°C  (66% av. power) - Notes from 2019-10-28 >>

C/2018 N2 (ASASSN)  - Comet

C/2018 N2 (ASASSN)  (passing through Andromeda) Single frame taken through TS 80mm f/6 APO with ASI178MC Camera

CMOS Colour Image (gamma 1.8, 32% size, cropped)  10s (single frame), 1x1 binning,  Gain 200, Raw16 2019-10-28 18:23 UT (Set 1, SharpCap LiveStack) ASI178MC (OSC) + TS 80mm f/6 APO, mounted on 12" LX200R

C/2018 N2 (ASASSN) - Later Image (2019-10-29) (passing through Andromeda) Sun Distance 3.13 AU Earth Distance 2.23 AU (334.1 million km)

CCD Image (50% size, square root scale) 3 x 45s exposure (average combine), 3x3 binning, C Filter 2019-10-29 22:08 UT (#718014-16) 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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M39 - Open Cluster

M39 (Cygnus)

CMOS Colour Image (Gamma 1.5, 16% Size)  30 x 10s, 1x1 binning,  Gain 200, Raw16 2019-10-28 20:54 UT (Set 1, SharpCap LiveStack) ASI178MC (OSC) + TS 80mm f/6 APO, mounted on 12" LX200R Larger Image (32% size)

M39 - Earlier Image (2005)

Central portion of a CCD Image Mosaic (5x3, 15 Frames) 20 sec exposure,  R Filter 2005-10-09 03:16 h UT  (#99084-98 {S98} ) (Full Size)

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NGC 7243 - Open Cluster

NGC 7243 (Lacerta)

CMOS Colour Image (gamma 1.5, 16% size)  22 x 10s, 1x1 binning,  Gain 200, Raw16 2019-10-28 19:38 UT (Set 1, SharpCap LiveStack) ASI178MC (OSC) + TS 80mm f/6 APO, mounted on 12" LX200R Larger Image (32% size)

NGC 7243 - Detail

CMOS Colour Image (gamma 1.5, 32% size, cropped)  22 x 10s, 1x1 binning,  Gain 200, Raw16 2019-10-28 19:38 UT (Set 1, SharpCap LiveStack) ASI178MC (OSC) + TS 80mm f/6 APO, mounted on 12" LX200R Wider View

NGC 7243 - Earlier Image (2006)

CCD Image Mosaic ( 3 x 4 frames, 50% size & cropped) 60 sec exposure, 2x2 binning, C Filter 2006-11-18 18:07 h UT (#154064-75) 8" LX200 + ST-7E [ Full Size ]

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