David's Astronomy Pages
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 Images (S227) |
 Images Sessions |
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 Images (S228) |
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Objects Session Notes
Comet 17P/Holmes Astrometric & Photometric Monitoring
- RX And (variables)
- U And (Mira Variable)
- (unsuccessful attempts at U Mon and TT Ari due to cloud)
- Morning session (1.2hr), cold. Cloud developing towards daybreak. CCD operation of -20 degC (at 60% average cooling). - main objective of the session was to acquire an follow up images of recently erupted comet 17P/Holmes
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Comet 17P/Holmes |
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| CCD Image 5 x 10s exposure (average combine), 2x2 binning, C Filter, Log Scale 2007-10-29 04:43h UT (#228038-42) [ Full Size ] |
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Comet 17P/Holmes |
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| Approximate Colour CCD Image Red: 3x 15s (R), Green: 3x 15s (V), Blue: 6x 30s (B), 2x2 Binning, Linear Scale 2007-10-29 04:46h UT (#228043-54) |
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Comet 17P/Holmes - detail |
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| False Colour CCD Image Square root scale, False Colour (Inverse Spectrum) 30s exposure, 2x2 binning, C Filter 2007-10-29 04:34h UT (#228013) |
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Images collected for Astrometric Monitoring
of Nearby Stars Project
Images collected for Photometric Monitoring
of Variable Stars
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| This Web Page: | CCD Images - Session 228 (2007-10-29) |
| Last Updated : | 2015-05-16 |
| Site Owner : | David Richards |
| Home Page : | David's Astronomy Web Site |
