Barnard 174 Dark Nebula
This was imaged over six evening sessions and is composed of 470 frames (RGB 120 each at 3min/frame, 28 x Ha at 5min/frame and 82 luminescence at 45 seconds/frame for an integrated time of 21 hrs 22 min plus associated calibration frames. Telescope was the Evostar 80ED and Vixen SXD2 mount. EFW Filter wheel and ZWO ASI1600 MM Pro camera at -10C, Bin 1x1, Gain 139, Offset 21.
Upper Coverdale New Brunswick, June 2023.