David's Astronomy Pages
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 Images (S241) |
 Images Sessions |
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 Images (S243) |
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Objects Session Notes
NGC 90, NGC 91 - Galaxies (ARP 65) Astrometric & Photometric Monitoring
- SS Cyg (dwarf nova)
- BL Lac (Blazar)
- RU Peg, DY Per (variables)
- Evening session (1.6hr). Poor transparency, Cloud developing - Problem performing automated short mapping job using new TPoint Model. Manually controlled mapping was required instead. - CCD operation of -20 degC (at 58% average cooling). - -main objectives were to acquire images of certain selected stars of ongoing photometric and astrometric analysis -opportunity was also taken to acquire gallery images of certain deep sky objects.
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NGC 90, NGC 91 / ARP 65 (Andromeda) |
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Annotated CCD Image |
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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 242 (2007-12-15) |
| Last Updated : | 2015-05-16 |
| Site Owner : | David Richards |
| Home Page : | David's Astronomy Web Site |
