David's Astronomy Pages
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 Images (S350) |
 Images Sessions |
Home Page |
 Images (S352) |
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Objects Session Notes
C/2007 N3 (Lulin) - Comet Astrometric & Photometric Monitoring - W And, HR Aur, DY Per (variables)
- Gliese 412, Groombridge 1618, Groombridge 1830, Lalande 21185 (nearby stars)
- Late evening session (1.3 hrs) - Ambient Temperature 4 deg C - CCD operation -20 degC (at 80% average cooling). - primary objective of the session was to try out new Universal Focus Adapter Tube with Antares 6.3 focal reducer made by Ted Agos. - secondary objective of the session was to acquire images of key selected stars for ongoing photometric and astrometric analysis. - - Goto Notes from 2009-02-27
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C/2007 N3 (Lulin) passing through starfield in Leo |
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CCD Image (Linear Scale) 3 x 30s sec exposure (average combine, aligned on comet), 2x2 binning, C Filter 2009-02-27 22:39 h UT (#351003-05) 8" LX200 Classic (at f/6.6) + ST-7E |
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C/2007 N3 (Lulin) - detail |
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False Colour CCD Image (Log Scale) Inverse Specturn 30s sec exposure, 2x2 binning, C Filter 2009-02-27 22:38 h UT (#351003) 8" LX200 Classic (at f/6.6) + ST-7E |
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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 351 (2009-02-27) |
| Last Updated : | 2015-05-16 |
| Site Owner : | David Richards |
| Home Page : | David's Astronomy Web Site |
