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Calculating optimal exposure length for astrophotography
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17-05-2010, 10:57 PM
Octane
(Humayun)
IIS Member #671
Join Date: Dec 2005
Location: Canberra
Posts: 11,159
I did say 5 minute exposures at ISO-400 in my post!
2:30 at ISO-1600. The equivalence at ISO-400 would be 10 minutes.
H
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