M57 - The Ring Nebula in Lyra
M57 - The Ring Nebula in Lyra
  • Description: Planetary nebula in Lyra, first test shot with the ST-10 camera. M57 is fairly small at 1.8 x 1.4 arc minutes in size, magnitude 9.7. The central star is an observing challenge visually, it glows at magnitude 15.2. The small galaxy beside M57 is IC1296, a magnitude 14.8 galaxy. M57 is also known as NGC6720.
  • Scope: Astro-Physics AP130EDT 130mm f8.35 refractor
  • Camera: SBIG ST-10XME at -15C
  • Filter: AstroDon RGB
  • Exposure: 6 x 3 minutes per colour
  • Mount: Astro-Physics AP900QMD
  • Location: Wilson Coulee Observatory, Ab.
  • Date: July 2, 2011
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