David's Astronomy Pages Images - Session 633 (2018-10-21)

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Images (S634)

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Session Notes

38P/Stephan-Oterma - Comet C/2016 R2 (PANSTARRS) - Comet     NGC 6939 - Open Cluster (Herschel VI-42) NGC 7044 - Open Cluster (Herschel VI-24) NGC 7296 - Open Cluster (Herschel VII-41)     Photometric Monitoring - Variables    - RX And, U And, Z And, CI Cyg, S Cyg, SS Cyg, BL Lac, CY Lyr, FU Ori, DY Per, GK Per,  SU Tau     Astrometric Monitoring - Nearby Stars   - EV Lac, Ross 248 (HH And), Teegardens Star

- Night Session (6.2 hours duration) . Largely clear - Main aim of the session was to take images of a selection of  deep sky objects, variable stars & nearby stars.  - Session was mainly conducted as a fully Automated operation - - 12" LX200 + ST-10XME for imaging - TS 80mm APO + ZWO ASI178MC for guiding & imaging - Ambient Temperature:  13°C (minimum)  - CCD Temperature:  -15°C/ -20°C (75% av. power) - Notes from 2018-10-21 >>

38P/Stephan-Oterma - Comet

38P/Stephan-Oterma (passing through Gemini) Sun distance 1.61 AU.

CCD Image (50% size) 7 x 30s exposure (average combine), 3x3 binning, C Filter  2018-10-21 20:03 UT (#633206-12) 12" LX200R  (at f/10.4) + ST-10XME (Autoguided using TS 80mm APO + ZWO ASI178MC)

38P/Stephan-Oterma - detail

Annotated CCD Image (100% size, Cropped) Image details as above

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C/2016 R2 (PANSTARRS) - Comet

C/2016 R2 (PANSTARRS) (passing through Canes Venatici) Sun distance 3.12 AU.

Annotated CCD Image (100% size, Cropped) 5 x 60s exposure (average combine), 3x3 binning, C Filter  2018-10-21 20:03 UT (#633039-43) 12" LX200R  (at f/10.4) + ST-10XME (Autoguided using TS 80mm APO + ZWO ASI178MC)

C/2016 R2 (PANSTARRS)  - Earlier Image (2018-09-19) (passing through Ursa Major) Sun distance 2.95 AU. Faint Galaxy too right is  PGC 2324722, catalog mag +17.5)

Annotated CCD Image (100% size, Cropped) 5 x 60s exposure (average combine), 3x3 binning, C Filter  2018-09-19 00:48 UT (#630180-84) 12" LX200R  (at f/10.4) + ST-10XME (Autoguided using TS 80mm APO + ZWO ASI178MC)

C/2016 R2 (PANSTARRS)   - Earlier Image (2018-08-24) (passing through Ursa Major) Sun distance 2.84 AU, Est. Mag +15.8. The tiny galaxy at below left is PGC 2393752, catalog mag +17.4)

Annotated CCD Image (100% size, Cropped) 5 x 60s exposure (average combine), 3x3 binning, C Filter  2018-08-24 02:09 UT (#621132-36) 12" LX200R  (at f/10.4) + ST-10XME (Autoguided using TS 80mm APO + ZWO ASI178MC) (Average Guide Error 0.9" rms, PHD2)

C/2016 R2 (PANSTARRS) - Earlier Image (2017-12-13) (passing through Gemini) Sun distance 3.02 AU (Bright object in upper-left corner of the image is the +7.2 mag star HIP 22221)

CCD Image (50% size, Linear Scaling) 2 x 60s exposure (average combine), 3x3 binning, C Filter  2017-12-13 22:29h UT (#607079-80) 12" LX200R  (at f/10.4) + ST-10XME (Autoguided using TS 80mm APO + ZWO ASI178MC)

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NGC 6939 - Open Cluster (Herschel VI-42)

NGC 6939 /  Herschel VI-42 (Cassiopeia)

CCD Image (70% size) 5 x 30s exposure (average combine), 3x3 binning, C Filter 2018-10-21 21:37h UT (#633117-21) 12" LX200R  (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 [100% size ]

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NGC 7044 - Open Cluster (Herschel VI-24)

NGC 7044 /  Herschel VI-24 (Cygnus)

CCD Image (70% size) 7 x 30s exposure (average combine), 3x3 binning, C Filter 2018-10-21 20:19h UT (#633048-54) 12" LX200R  (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 [100% size ]

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NGC 7296 - Open Cluster (Herschel VII-41)

NGC 7296 /  Herschel VII-41 (Vulpecula)

CCD Image (70% size) 7 x 30s exposure (average combine), 3x3 binning, C Filter 2018-10-21 18:58h UT (#633003-09) 12" LX200R  (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 [100% size ]

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