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Objects Session Notes 
Gliese 725 (HIP 91768) - Nearby Star Astrometric & Photometric Monitoring 
- SS Cyg (Dwarf Nova)
- BL Lac (Blazar)
- U Her (Mira variables)
- SZ Her (Variable)
- short session (1.5 hour duration) - sky conditions rapidly deteriorating towards end with cloud - CCD operation of -20 degC (at 85% average cooling). - main objectives were to acquire images of selected variable stars and nearby stars for ongoing photometry and astrometry - 
| Gliese 725 (Draco) | 
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| Annoated CCD Image (50% size) 7 x 30s exposure (median combine), 1x1 binning, C Filter 2007-09-21 21:08 hUT (#215066-72) | 
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| Gliese 725 - detail | 
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| Annotated CCD Image (cropped) 30s exposure (median combine), 1x1 binning, C Filter 2007-09-21 21:08 hUT (#215069) | 
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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 215 (2007-09-21) | 
| Last Updated : | 2015-05-16 | 
| Site Owner : | David Richards | 
| Home Page : | David's Astronomy Web Site |