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Old 15-08-2012, 10:25 AM
Poita (Peter)
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Poita is offline
 
Join Date: Jun 2011
Location: NSW Country
Posts: 3,586
I'll have to give that calculator a go with the hyperstar, I've been trying to work out what the best exposure times are with the QHY8, imaging at f2 is a different experience to say the least.
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