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    Thanks for visiting!

The site started in 1998. Back then it was only a few pages wrapped around the HaloSim halo simulation software.   It's still being extended with its sister site Optics Picture of the Day.   I've enjoyed putting the site together, learning more about the different sky phenomena while doing so and seeing your wonderful pictures.  It has been a privilege to include them on the site. 

  Unavoidable circumstances have delayed publishing of images and many are waiting. Therefore it is only fair that for a while I do not accept new pictures for publication.
      

         
     
Les Cowley
    
  A request to use images or text?   First please read
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