Thread: NGC 3372 in Ha
View Single Post
  #5  
Old 11-03-2017, 08:03 PM
Camelopardalis's Avatar
Camelopardalis (Dunk)
Drifting from the pole

Camelopardalis is offline 		 
Join Date: Feb 2013
Location: Brisbane
Posts: 5,479
Looks like astigmatism to me. If it was field curvature, the stars would just bloat as they become out of focus.

Doesn't detract from being a nice image
Reply With Quote