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Old 27-05-2013, 08:07 PM
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Geoff45 (Geoff)
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Geoff45 is offline
 
Join Date: Jul 2006
Location: Sydney
Posts: 2,631
My usual subs are 10 min, so that's what I use for dark frames. If I do a glob or bright cluster I may use a shorter exposure and then I just scale my 10 min darks.
Geoff
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