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      California Nebula
      Wallpaper author:
      Dale Smalley

      30 Mar 2022

      California Nebula

      Inspired by Soumyadeep Mukherjee's very creative 'landscape' treatment of the California Nebula, I have adapted this image to look like an intra galactic seascape with Xi Persei rising above the horizon. The California Nebula is found in the Orion Arm of our Milky Way galaxy, and has been given its informal nickname because its shape resembles the outline of the US state of California (but not so much when you rotate the image).

      The California Nebula can be seen from Earth in the Perseus constellation, which just so happens to be the radiant of one of the most prolific annual meteor showers seen from Earth, the Perseid meteor shower.

      Scotty Bishop's article on HDR processing with multiple stretches in PI to feed the HDR Pro merge in PS was the key to teasing out the extra blue detail - thanks Scotty

      Dataset from which the image was processed

      NGC 1499

      13 credit

      Open
      Telescope Live
      SPA-1-CCD
      • Type of target
        ............................................................................................................................
        Emission Nebula
      • Camera
        ............................................................................................................................
        FLI PL16083
      • Target coordinates
        ............................................................................................................................
        RA 60.825 Dec 36.41667
      • Hemisphere
        ............................................................................................................................
        Northern
      • Telescope location
        ............................................................................................................................
        Spain
      • Transient event
        ............................................................................................................................
        No
      • Observed on
        ............................................................................................................................
        13 Aug 2021 - 20 Jan 2022
      Filter
      Avg Exp (s)
      Total Exposure
      Subframes
      Halpha6006h10m37
      OIII6006h10m37
      SII6006h36

      California Nebula