Thread: Blue ring around star??
View Single Post
  #2  
Old 20-04-2006, 02:39 PM
[1ponders]'s Avatar
[1ponders] (Paul)
Retired, damn no pension

[1ponders] is offline 		 
Join Date: Nov 2004
Location: Obi Obi, Qld
Posts: 18,778
It looks to me like chromatic aberation Andrew. ya get that with achromatic lenses. The brighter the point source the more obvious it will be. I gather that is Canopus or Sirius.
Reply With Quote