View Single Post
  #3  
Old 01-09-2010, 09:14 AM
higginsdj's Avatar
higginsdj
A Lazy Astronomer

higginsdj is offline
 
Join Date: Mar 2006
Location: Canberra
Posts: 614
Thosee black spots are either dead pixels or the dark doesn't match the light image. It is also possible that you have over stretched the light image.
Reply With Quote