View Single Post
  #16  
Old 17-09-2015, 08:45 PM
Garbz (Chris)
Registered User

Garbz is offline
 
Join Date: May 2012
Location: Brisbane
Posts: 646
Quote:
Originally Posted by Placidus View Post
Delicious colour balance and saturation. Very nice contrast in the wispy detail. A lovely image.

(Aside to anyone who cares: There is no mathematical reason not to deconvolve when some of the stars are burned out. (I think I understand the maths well enough). You just create your point spread function from the brightest of the ones that aren't burned out. You'll need an anti-ringing algorithm, but that's pretty standard. In my view, the purpose of deconvolution for our kind of deep sky photos is not to make the stars look tiny but to get better detail in shock fronts, dust lanes, etc in the nebulosity.)
In theory it should work, in practice however the anti-ringing is the single biggest problem and in my case I could find no combination of dark / bright compensation, using a star support, or even masking brighter sections of the whole image which didn't introduce some kind of strange result in this case. But then I'm by a long shot not an expert, and my computer is slow so I got frustrated after an hour and moved on.

...

Only to hit the same problem when I got to masked stretching
Reply With Quote