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Old 25-10-2017, 03:46 PM
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billdan (Bill)
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billdan is offline
Join Date: Mar 2012
Location: Narangba, SE QLD
Posts: 1,485
Hi Lars,

I haven't digested it all yet but a scan of the data reveals you have the bias set way too high.

For most 16 bit CCD's we set the bias to 750 (500 - 1000 rec) which maps down to 47 for 12 bit cameras. In fact I believe ZWO are going to fix the bias at 50 on new 1600 models. Yet you guessed at 2048 bias and 1024 for the ZWO which is too high and will stuff up your calc's.

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