View Single Post
  #3  
Old 22-11-2011, 07:52 PM
bert's Avatar
bert (Brett)
Automation nut

bert is offline
 
Join Date: Mar 2008
Location: Bathurst
Posts: 667
I'm not sure of the mechanism, but it is common. Something to do with our eyes sensitivity to green/luminosity.

I have seen the same in a 24 inch dob.
Reply With Quote