Thread: Blue Tarantula?
View Single Post
  #3  
Old 07-12-2008, 11:39 AM
JohnG's Avatar
JohnG (John)
Looking Down From Above

JohnG is offline 		 
Join Date: Dec 2005
Location: Cootamundra, NSW
Posts: 1,711
As Paul has said, an umodded DSLR is poor with it's response to Ha light, the blue/green cast is caused by the camera picking up O111 and overpowering the red of Ha.

Cheers

John G
Reply With Quote