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      Arp 273 - Galactic Rose in Andromeda
      Autore dello sfondo:
      Michal Wierzbinski

      12 Oct 2025

      Arp 273 - Galactic Rose in Andromeda

      Arp 273 is a striking pair of interacting spiral galaxies in the constellation Andromeda, located about 300 million light-years distant. The larger galaxy, UGC 1810, is roughly five times more massive than its companion, UGC 1813, whose orbit appears to have driven it through the disk of UGC 1810. The tidal interaction has warped UGC 1810 into a rose-like shape, causing one of its outer arms to form a partial ring - giving the system its nickname, “a rose made of galaxies” or “galactic rose“. Arp placed this pair in his catalog of peculiar galaxies as a compelling example of tidal distortion and interacting morphology.


      This image represents 6h of LRGB acquisition from Telescope Live’s SPA-2-CMOS system in Spain.


      Sources:

      wikipedia.org

      svs.gsfc.nasa.gov


      Data credit: Telescope.Live

      Dataset da cui è stata elaborata l'immagine

      Arp 273

      5 credit

      Apri
      Telescope Live
      SPA-2-CMOS
      • Tipo di obiettivo
        ............................................................................................................................
        Group of Galaxies
      • Fotocamera
        ............................................................................................................................
        QHY 600M
      • Coordinate dell'obiettivo
        ............................................................................................................................
        RA 35.3696 Dec 39.3756
      • Emisfero
        ............................................................................................................................
        Northern
      • Posizione del telescopio
        ............................................................................................................................
        Spain
      • Evento transitorio
        ............................................................................................................................
        No
      • Osservato il
        ............................................................................................................................
        15 Aug 2023 - 21 Aug 2023
      Filtro
      Exp. media (s)
      Esposizione totale
      Sottoframe
      Blue1181h38m50
      Green1181h38m50
      Red1271h44m49
      Luminance1181h36m49

      Arp 273 - Galactic Rose in Andromeda