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Old 14-06-2010, 03:23 PM
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peter_4059 (Peter)
Big Scopes are Cool

peter_4059 is offline
 
Join Date: Jun 2007
Location: SE Tasmania
Posts: 4,532
QHY8 pro flat tests

I decided to run some tests capturing flats at different exposures today. I found the results quite interesting. CCD ADU count does not appear to be sensitive to CCD temperature and while the max pixel ADU count in the flat image is non-linear with increasing exposure the min count is quite linear so there is a point where the range of pixel values reaches a maximum.

Here are my results:
Attached Files
File Type: pdf flat_tests.pdf (128.7 KB, 152 views)
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