Caldwell 12 (NGC 6946): I've always liked this view of spiral galaxy NGC 6946 and the open cluster NGC 6939. They appear to be similar sized objects...until you realize that the galaxy is at least 1000 times further away!

  • Date: 08/22/2006
  • Scope: FS-128 w/reducer
  • Mount: EM-200
  • Camera: SXV-M25C
  • Exposure: 150 min total (5 min subframes)