Thread: Canon 1D MKII for astro?
View Single Post
  #4  
Old 06-01-2010, 06:31 PM
Octane's Avatar
Octane (Humayun)
IIS Member #671

Octane is offline 		 
Join Date: Dec 2005
Location: Canberra
Posts: 11,159
Sandy,

Are you sure that's not high ISO noise reduction taking place in the background, and, not long exposure noise reduction/dark frames?

H
Reply With Quote