A few questions regarding LRGB imaging.
I have been imaging m83 and have 4 hours for each channel but I forgot to take flats for the red channel. Is there anything I can do or should I chuck the lot?
Second question, at the moment I've been taking the same amount and length of subs for RGB (unbinned) as for my lum. If I bin my RGB what length should my subs be in relation to my Lum subs. I'm using asronomiks LRGB type 2 filters.
Thanks
Sandy
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