[AZ-Observing] Re: First Light for Fisheye Lens

  • From: Paul Dickson <dickson@xxxxxxxxxxxxxxxxx>
  • To: az-observing@xxxxxxxxxxxxx
  • Date: Tue, 9 Mar 2004 22:37:43 -0700

On Sun, 7 Mar 2004 13:22:23 EST, SaguaroAstro@xxxxxxx wrote:

> Quick question, on te 2nd & 3rd images it seems to me that almost like the 
> sky was a background flat and someone used a blowgum to blow the stars onto 
> it. 
> It seemed that where tere were stars there were"indents" in the sky. Also 
> seemed to be a few "Ripples in other spots as well. Is this an artifact of 
> the 
> lens system or just some kinks to be worked out? 

More likely artifacts of the JPEG compression on the dimmer stars.  Less
noticeable on my laptop's LCD panel due to dust, but it moves with the
browser window...


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