Quote:
Originally Posted by Slawomir
Rick- I have just measured mean value for a central area in several bias frames collected over 45 minutes. The greatest difference was 1.2 ADU, which I estimate to be around 0.3e. Would it be worthwhile using overscan in my case? I managed to find a way to turn overscan on and off, and it gives access to about 150 additional columns of pixels on the right-hand side of the image.
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Suavi, it's probably not worth the trouble for a third of an electron. In my case the difference was a lot more than that.
Cheers,
Rick.