Thread: 13% or 25% ND Moon filter?
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  #18  
Old 22-05-2014, 11:19 AM
bytor666
Cygnus X-1

bytor666 is offline 		 
Join Date: Dec 2004
Posts: 366
13% is the best one. Aperture mask is excellent as well. Resolution will not be lost because the moon is so bright anyways. I have an off-axis 3/7" F/12.6 mask I use on the moon and sometimes even Jupiter.
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