Quote:
Originally Posted by troypiggo
Thanks Rob. Interested in your comment about using lower ISO if chance of too many pixels overexposing on 5-10 min frames. Why wouldn't you just use 1 or 2 min frames? You could quickly build a library of darks for those times too, no?
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You can certainly build up beautiful images from shortish (1-2 min) stacks of >100 images - Jeanette has shown this with her great pics off the Ioptron alt/az mounts many times. You usually see experienced (and well equiped) imagers declaring you get best faint detail with longer shots >10mins. Even bright objects tend to have very faint extensions.
The trick is to keep good tracking for that long mind you...
