David's Astronomy Pages CCD Images - Session 579 (2015-01-04)

Images (S579)

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Images (S580)

Objects

Session Notes

Moon C/2011 J2 LINEAR - Comet     Photometric Monitoring - Variables   RX And, CI Cyg, SS Cyg BL Lac attempt (failed due to wind shake)     Astrometric Monitoring - Nearby Stars   None

- Evening session (1.2 hrs duration).   - Session operated under semi-automated control, with remote monitoring from indoors computer.   - Ambient Temperature:  Temperature falling to minimum of 0 degC by end of session. - CCD operation -30 degC (at 73% average cooling).  - Main objectives of the session was to monitor selected variable stars & nearby stars and to take gallery images of a range of deep sky objects.   -   -

Moon

Moon (99.7% phase)

CCD Image Mosaic (20% size) 3x4 mosaic, 0.11 sec exposure, 2x2 binning, U Filter 2015-01-04 20:22hUT (#579044-55) 12" LX200R  (at f/10.4) + ST-10XME

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C/2011 J2 LINEAR - Comet

C/2011 J2 LINEAR (Passing through starfield in Pegasus ) Sun distance 4.82 AU

CCD Image (100% size, cropped) 5 x 45 sec exposure (average combine), 3x3 binning, C Filter 2015-01-04  20:50hUT (#573179-82) 12" LX200R  (at f/10.4) + ST-10XME

C/2011 J2 LINEAR - Earlier Image (2014-12-02) (Passing through starfield in Pegasus ) Sun distance 4.62 AU

CCD Image (100% size, cropped) 4 x 45 sec exposure (average combine), 3x3 binning, C Filter 2014-12-02 19:47hUT (#573179-82) 12" LX200R  (at f/10.4) + ST-10XME

C/2011 J2 LINEAR - Earlier Image (2014-11-30) (Passing through starfield in Pegasus ) Sun distance 4.61 AU

Annotated CCD Image (100% size, cropped) 3 x 45 sec exposure (average combine), 3x3 binning, C Filter 2014-11-30 20:22hUT (#572086-89) 12" LX200R  (at f/10.4) + ST-10XME

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Variable Stars

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