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CCD Images - Session 242 (2007-12-15)

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Images (S243)
 
Objects Session Notes
Bullet NGC 90, NGC 91 - Galaxies (ARP 65)
Bullet 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.

NGC 90, NGC 91 - Galaxies (ARP 65)

NGC 90, NGC 91 / ARP 65 (Andromeda)
with adjacent galaxies NGC 82, NGC 93 and other faint galaxies

Image

Annotated CCD Image
180 sec, 2x2 binning, C Filter
2007-12-14 22:47hUT (#242060)

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Astrometric and Photometric Monitoring

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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