Thread: 8" F/4 atsrograph advice needed.
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  #12  
Old 17-02-2012, 12:25 AM
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jjjnettie (Jeanette)
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jjjnettie is offline 		 
Join Date: Feb 2005
Location: Monto
Posts: 16,738
I feel your pain.
They're a damn fiddly thing to collimate.

My 10" dob was a breeze compared to the 200mm F4.
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