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That galaxy shot is particularly good. Its very deep for only 5.7 hours of data.
I am treating my QHY600m much the same as a CCD in terms of exposure time etc.
I think the main things to watch with these cameras are:
1. Running at high enough gain so the background horizontal banding does not cause an issue.
2. Watching full well depth so you don't get all white stars with no colour.
Greg.
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