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      Solar Prominences and Limb Detail by Alan Santana
      Wallpaper author:
      Alan Santana

      15 Jun 2026

      Solar Prominences and Limb Detail by Alan Santana

      Image taken by Mark Johnston in Willow Springs Lake Arizona on Nov 24, 2025 using the Player One Apollo-M IMX174M camera with cooler and the TEC160FL apochromat telescope with Baader ERF, Baader TZ4 telecentric, Solar Spectrum 0.3A hydrogen alpha filter double stacked with Lunt 40mm 0.7A Ha filter. Field of view on the Sun 8.7 x 5.5 arc minutes.

      Dataset from which the image was processed

      Solar prominences and limb detail Nov 25 2025

      6 credit

      Open
      Mark Johnston
      T-22
      • Type of target
        ............................................................................................................................
        Sun
      • Camera
        ............................................................................................................................
        Player One Apollo-M IMX174M with cooler
      • Target coordinates
        ............................................................................................................................
        RA 0 Dec 0
      • Hemisphere
        ............................................................................................................................
        Northern
      • Telescope location
        ............................................................................................................................
        United States of America
      • Transient event
        ............................................................................................................................
        Yes
      • Observed on
        ............................................................................................................................
        25 Nov 2025 - 25 Nov 2025
      Filter
      Avg Exp (s)
      Total Exposure
      Subframes
      Halpha2404m1

      Solar Prominences and Limb Detail by Alan Santana