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Thanks Rick, yeah I’m using flats calibration wizard in SGP aiming for ADU of 29500. I put a white shirt over the scope and I put a white screen on my iPad which I place over the shirt. This usually results in about 0.78 to 0.98 exposure times. I’ve always done 50 flats. I’ll try about 100 flats to see if that helps. Also covering the IR camera has got to help. I use gain of 160.
Not sure if it’s related or not but when I integrate my lights for Helix I often get an error on some of the frames where it says “insufficient signal on frame xx< empty frame?”. I figured it was just because of the lack of stars around helix.
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