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      Featured wallpaper
      Wallpaper author:
      Mark Johnston

      03 Aug 2025

      Dual prominences August 3 2025

      Dataset consists of two photos of the same region of the Sun's limb. There were two nice prominences which changed slightly between the two images taken about 30 minutes apart. Dataset includes 2 TIFFs and 2 JPGs. Seeing 4/5. Location: Edmonton Alberta Canada

      Dataset author
      Mark Johnston
      T-18

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      • Type of target
        ............................................................................................................................
        Sun
      • Camera
        ............................................................................................................................
        Player One Apollo-M IMX174M with cooler
      • Target coordinates
        ............................................................................................................................
        RA 00 00 00.0 Dec 00 00 00
      • Hemisphere
        ............................................................................................................................
        Northern
      • Telescope location
        ............................................................................................................................
        United States of America
      • Transient event
        ............................................................................................................................
        Yes
      • Observed on
        ............................................................................................................................
        02 Aug 2025 - 03 Aug 2025
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      Avg Exp (s)
      Total Exposure
      Subframes
      Halpha90030m2

      Dual prominences August 3 2025