David's Astronomy Pages Images - Session 518 (2012-10-29)

Images (S517)

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Images (S519)

Objects	Session Notes
Comet 168P/Hergenrother   Photometric Monitoring - Variables - R CrB     Astrometric Monitoring - Nearby Stars - None	- Short Evening session (1.4 hrs duration).  Slight Wind, rapidly becoming overcast, - Session operated under semi-automated control, with remote monitoring from indoors computer.   (via Power-Line networking) - Ambient Temperature: 0.5°C (minimum)  - CCD operation -25°C (at 61% average cooling).   - main objectives of the session were to acquire images of comet 168P/Hergenrother -

Comet 168P/Hergenrother

168P/Hergenrother (moving through starfield in Andromeda)

CCD Image (50% size) 6  x 15s exposure (average combine), 3x3 binning, C Filter  2012-10-29 19:19 hUT (#518017-28) 12" LX200R  (at f/9.7) + ST-10XME

168P/Hergenrother  - detail

Negative CCD Image   (Linear scaling,  100% size, cropped) Image details as above

False Colour CCD Image / Inverse Spectrum (100% size, square root scaling, cropped) Image details as above

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