Thread: H alpha
View Single Post
  #1  
Old 02-11-2009, 06:57 PM
bmitchell82's Avatar
bmitchell82 (Brendan)
Newtonian power! Love it!

bmitchell82 is offline 		 
Join Date: Jul 2008
Location: Mandurah
Posts: 2,597
H alpha
Is there anything special about focusing in H alpha?
Reply With Quote