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This imaging session was ancillary to main task of performing a polar realignment of the LX200 telescope. Only 20 CCD Images were taken over a period of 2 hours.
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M57 (Lyra) |
Animated sequence of 7 CCD images, 10 sec exposures taken over 6 minutes, showing variability in sky transparency. 2003-07-19 23:05 to 23:11h UT (#46013-46019) 9.2 x 7.6 arc mins |
Better images of M57 were recorded during the previous observing session on 2003-07-13
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Defocussed star (Altair) |
CCD image 2003-07-19 (#46009) |
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Simulated example of collimation problem, created when adjusting collimation during previous session |
CCD image (star field near Procyon) 2003-02-18 (#44001) |
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This Web Page: | CCD Images - Session 46 (2003-07-19) |
Last Updated : | 2015-05-16 |
Site Owner : | David Richards |
Home Page : | David's Astronomy Web Site |