Thread: Phobos and Deimos spotted!
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  #14  
Old 03-08-2018, 07:39 PM
Wavytone
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Wavytone is offline 		 
Join Date: Jul 2008
Location: Killara, Sydney
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Ken, Mental - surprise - steinheil triplets exist, though have to make a DIY barrel:

https://www.edmundoptics.com/f/Stein...-Lenses/12275/
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