David's Astronomy Pages Images - Session 521 (2012-11-04)

Images (S520)

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Images (S522)

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Session Notes

168P/Hergenrother - Comet C/2012 K5 (LINEAR) - Comet   Photometric Monitoring - Variables - RX And, Z And, TT Ari, R CrB, CI Cyg, S Cyg, SS Cyg, U Her, BL Lac, SZ Lyn, DY Per, GK Per - SS Cyg (Time Series)   Attempts: Z And failed (wind),  W And failed (abort due to cloud)     Astrometric Monitoring - Nearby Stars - Ross 248 (HH And), 61 Cyg, Groombridge 34, EV Lac, Teegardens Star

- Evening session (6.2 hrs duration).  Moderate conditions, wind affecting some images  - Session operated under semi-automated control, with remote monitoring from indoors computer.   (Power-Line networking - no detectable drops outs in over 6 hours). - Ambient Temperature: -1.0°C (minimum)  No problems with dew at all during session - surprise ! - CCD operation -30°C (at 70% average cooling).   - main objectives of the session were to acquire images of selected project stars for ongoing photometric and astrometric analysis, and to image a number of deep sky objects  -

Comet 168P/Hergenrother

168P/Hergenrother - 2012-11-04 (moving through starfield in Andromeda)
CCD Image (50% size) 9 x 15s exposure (average combine), 3x3 binning, C Filter  2012-11-04 20:27 hUT (#521058-66) 12" LX200R  (at f/9.7) + ST-10XME		False Colour CCD Image / Inverse Spectrum (100% size, square root scaling, cropped) Image details as left

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Comet C/2012 K5 (LINEAR)

C/2012 K5 (LINEAR) - 2012-11-02 (moving through starfield in Bootes, passing by spiral galaxy PGC 91359)
Annotated CCD Image (50% size) 5  x 60s exposure (average combine), 3x3 binning, C Filter  2012-11-02 19:10 hUT (#520037-41) 12" LX200R  (at f/9.7) + ST-10XME		False Colour CCD Image / Inverse Spectrum (100% size, square root scaling, cropped) Image details as left

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