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Hi Markus,
I started doing the new analysis I was planning for my ASI1600mm Pro. As a first step I captured multiple bias and dark frames at different durations and plotted the average ADU for each duration. Dark current is quite linear and behaves as expected, but only for durations of a few seconds or more. For short durations weird stuff happens. Note that short duration frames are handled completely by the camera but the capture software does timing for longer frames...
Cheers,
Rick.
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