Abell 21 - Planetary Nebula in Gemini
Abell 21, aka Sh2-247, the Medusa Nebula
  • Description: A large planetary nebula in Gemini. Also known as the Medusa Nebula and Sh2-247.
  • Film: Hypered Kodak tech pan
  • Scope: 8" f6 Newtonian
  • Filter: none
  • Exposure: 50 Minutes
  • Guiding: Manual
  • Location: Wilson Coulee Observatory, Ab.
  • Date: 14 March, 1991.
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