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Another dumb newbie question about stacking
I'm sure most of you remember your early days when you had a plethora of unanswered questions and lots of bright ideas on how to do it better.
My question today is what is the advantage in stacking multiple images as opposed to getting one really good image, copying it, and stacking the copies?
It seems to me that multiple images, in theory, should be capturing the same data, so what is to be lost by using a single image multiple times?
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