Sh2_155_HAlpha_AP155_G4_June2021
This is Sharpless 155 aka The Cave or Caldwell 9. Hydrogen Alpha only. Taken with my AP155 (6") refractor, Moravian G4 (16803 chip) camera. Mount is a Bisque Paramount MX.
22x20min (7+ hours) of H-Alpha
© From the Edge of Town to the Edge of the Universe: Photography by Stuart Heggie