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Old 08-05-2015, 11:20 AM
clive milne
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clive milne is offline
Join Date: May 2011
Location: Freo WA
Posts: 1,443
No diffraction spikes is another clue.
The fov is small, which implies 100+inch focal length, so that pretty much rules out refractors.
I am guessing it was taken with a Meade ACF or Celestron Edge HD, probably a 10"
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