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      Sun in white light. Full disk plus close up of sunspot region June 17 2025
      Autore dello sfondo:
      Mark Johnston

      18 Jun 2025

      Sun in white light. Full disk plus close up of sunspot region June 17 2025

      Dataset consists of a full disk raw TIFF at F7, a close up raw TIFF of the sunspot grouop at F28, and the respective finished JPGs. In both photos I used the TEC160FL with a Lunt 2" herschel wedge and a Player One 7.5nm 540nm photosphere filter. I used a Baader 4x telecentric with a Saturn SQR-M 533 camera for the close up. Seeing 3.5/5

      Dataset da cui è stata elaborata l'immagine

      Sun in white light. Full disk plus close up of sunspot region June 17 2025

      5 credit

      Apri
      Mark Johnston
      T-18
      • Tipo di obiettivo
        ............................................................................................................................
        Sun
      • Fotocamera
        ............................................................................................................................
        Player One Apollo-M IMX174M with cooler
      • Coordinate dell'obiettivo
        ............................................................................................................................
        RA 0 Dec 0
      • Emisfero
        ............................................................................................................................
        Northern
      • Posizione del telescopio
        ............................................................................................................................
        United States of America
      • Evento transitorio
        ............................................................................................................................
        Yes
      • Osservato il
        ............................................................................................................................
        16 Jun 2025 - 17 Jun 2025
      Filtro
      Exp. media (s)
      Esposizione totale
      Sottoframe
      Luminance602m2

      Sun in white light. Full disk plus close up of sunspot region June 17 2025