Quote:
Originally Posted by Merlin66
Ok, we agree....
So why do some still take bias images???
Just take a dark frame with both the light and the flat?
Ken
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I routinely scale darks when using my CCD cameras so need bias images. For my ASI183 I have found that the darks don't scale so always use the correct exposure. Bias frames aren't necessary then but I tend to use the same processing pathway and take them anyway.