NGC7023 - the Iris nebula: This smoky reflection nebula, surrounded by dark nebulas, is called the "iris" because it's shape is like the flower. It's also known as Caldwell 4 (NGC 7023 is actually the star cluster within the nebula).

  • Date: 5/30/2008
  • Scope: R200SS
  • Mount: EM-200
  • Camera: SXV-M25C
  • Exposure: 4 hours (3 min subs)