Thread: Any way to identify this
View Single Post
  #4  
Old 26-06-2011, 07:59 PM
multiweb's Avatar
multiweb (Marc)
ze frogginator

multiweb is offline 		 
Join Date: Oct 2007
Location: Sydney
Posts: 22,077
Could be a dust mote on your optics. Are you flat fielding?
Reply With Quote