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Old 31-10-2013, 11:01 PM
IanP
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IanP is offline
 
Join Date: Aug 2012
Location: West Coast
Posts: 787
Quote:
Originally Posted by astronobob View Post
Very good details in 253 Ian, a nice galaxy glow about it also for 2min subs and your scope F/ratio ? CPC925x0.63 That would make the F10 to F6.3, is this correct ?
Thanks Bob,
yeah, optics says it should be F6.3 ..
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