Thread: blue circles around stars
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Old 14-02-2014, 01:26 PM
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graham.hobart (Graham stevens)
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graham.hobart is offline 		 
Join Date: Nov 2008
Location: hobart, tasmania
Posts: 2,241
blue halo
it's 660mm f/6.
Good tip re Star Tools Rowland- will investigate further.
Cheers
Graham
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