From: {$to$}@meden.demon.co.uk   
      
   On 15/09/2025 14:54, Ernest Major wrote:   
   > On 15/09/2025 14:08, RonO wrote:   
   >> https://abcnews.go.com/Technology/photos/otherworldly-images-nasas-   
   >> james-webb-space-telescope-89463132   
   >>   
   >> ABC news has a series of images from the Webb telescope.  With all the   
   >> complex images I like the picture of Neptune.  It was clean and   
   >> simplistic.  Are the 6 pointed starburst patterns eminating from   
   >> bright objects an artifact of the compound lens and computer enhancement?   
   >>   
   >> Ron Okimoto   
   >>   
   >   
   > They are called diffraction spikes. The following explains their origin.   
   >   
   > https://www.sciencefocus.com/space/diffraction-spikes-jwst   
   >   
      
   They are not due to computer enhancement. In principle you could use   
   computer enhancement to remove them. (Calculate what a bright point   
   source looks like in the James Webb telescope, and subtract this from   
   the image.)   
      
   --   
   alias Ernest Major   
      
   --- SoupGate-Win32 v1.05   
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