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calibration frames
Hi all,
I am looking for some advice on calibration frames.
I intend to try and image M83 over several nights later this month.
This will be the first time that I have tried multiple sessions and am wondering whether I need to take calibration frames at the end of each night.
I will be imaging with a SW Esprit 80mm and a ZWO ASI533mc.
Any advice greatly appreciated
regards
Rob
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