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      Featured wallpaper
      Wallpaper author:
      Mark Johnston

      20 Jan 2026

      Solar prominence Jan 20 2026

      Dataset consists of a stacked TIF and a finished JPG. Seeing 4/5

      Dataset author
      Mark Johnston
      T-22

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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
        ............................................................................................................................
        19 Jan 2026 - 19 Jan 2026
      Filter
      Avg Exp (s)
      Total Exposure
      Subframes
      Halpha-6m2000

      Solar prominence Jan 20 2026