David's Astronomy Pages
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 Images (S247) |
 Images Sessions |
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 Images (S249) |
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Objects Session Notes
8P/Tuttle - Comet UGC 1840 - Peculiar Galaxy (ARP 145) Astrometric & Photometric Monitoring
- SS Cyg (dwarf nova)
- BL Lac (Blazar)
- RU Peg, DY Per (variables)
- Z And,
- Evening session (2.7hr). Poor transparency, High cirrus cloud developing - CCD operation of -20 degC (at 86% average cooling). - main objectives were to acquire images of certain selected stars of ongoing photometric and astrometric analysis, in particular Z And and RU Peg - follow up images on 8P/Tuttle were acquired - an attempt to to acquire a gallery image of ARP 145 was made, but suffered from poor sky transparency
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Comet 8P/Tuttle - passing through starfield in Andromeda |
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| CCD Image
3 x 30s exposure , 2x2 binning, C Filter Aligned on comet 2007-12-27 18:16h UT (#248127-35) |
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Comet 8P/Tuttle - colour image |
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| Approximate Colour CCD Image (CBVR)
Luminance : av 3x 30s (C), Red : av 3 x 30s (R), Green : av 3 x 30s (V), Blue : av 5 x 60s (B) 2007-12-27 18:17h UT (#248127-38) |
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UGC 1840 / ARP 145 (Andromeda) |
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CCD Image |
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UGC 1840 / ARP 145 - detail |
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CCD Image (250% size, cropped) |
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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 248 (2007-12-27) |
| Last Updated : | 2015-05-16 |
| Site Owner : | David Richards |
| Home Page : | David's Astronomy Web Site |
