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Objects Session Notes 
Moon 144P/Kushida - Comet NGC 2392 - Planetary Nebula ("Eskimo Nebula") Photometric Monitoring - Variables - FO And, RX And, Z And, TT Ari, SS Cyg, BL Lac 
- RZ LMi, CZ Ori, NV Ori, RU Peg, DY Per, GK Per, RR TauPhotometric Monitoring - Nearby Stars - None 
- Evening session (3.8 hrs) - Ambient Temperature 2 deg C - CCD operation -30 degC (at 93% average cooling). - main objective of the session was to acquire images of key selected stars for ongoing photometric and astrometric analysis. - opportunity taken to acquire images of a number of other objects 
| Moon (Phase 97%) | 
| CCD Image Mosaic (33% size reduction) 0.11s sec exposure, 1x1 binning, B Filter Unsharp Masked 2009-01-09 19:53 h UT (#342053-68) [Larger Image, 60% Size] | 
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| 144P/Kushida  | 
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| Annotated CCD Image 3 x 120s sec exposure (average combine), 2x2 binning, C Filter 2009-01-09 21:59 h UT (#342167-69) | 
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| Earlier image of 144P/Kushida -
        2009-01-02 | 
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| Annotated CCD Image 3 x 120s sec exposure (average combine), 2x2 binning, C Filter 2009-01-02 20:59 h UT (#337045-47) | 
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| Earlier image of 144P/Kushida -
        2008-11-27 | 
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| Annotated CCD Image 3 x 120s sec exposure (average combine), 2x2 binning, C Filter 2008-11-27 23:42 h UT (#326084-86) | 
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| NGC 2392 (Gemini) | 
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| CCD Image (Linear Scale, 50% size reduction) 3 x 20s sec exposure (average combine), 1x1 binning, C Filter 2009-01-09 21:27 h UT (#342137-41) | 
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| NGC 2392 - detail | 
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| Negative CCD Image (Square Root Scale, cropped) Image details as above | 
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| NGC 2392 - Spectrograph | 
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| CCD Image (Linear Scale) 3 x 45s sec exposure (average combine), 2x2 binning, S Filter 2009-01-09 21:32 h UT (#342143-45) | 
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| NGC 2392 - Spectrograph | 
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| CCD Image (200% size enlargement) 3 x 45s sec exposure (average combine), 2x2 binning, S Filter 2009-01-09 21:32 h UT (#342143-45) | 
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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 342 (2009-01-09) | 
| Last Updated : | 2015-05-16 | 
| Site Owner : | David Richards | 
| Home Page : | David's Astronomy Web Site |