An image of the large nebula (IC 1318) around the bright star Sadr. The Crescent Nebula, NGC 6888, can be seen on the right.
Date: December 11, 2011
Constellation: Cygnus
Location: Dominion Astrophysical Observatory, Victoria, BC
Optics: Borg 77EDII, f/4.3 with Baader Planetarium Narrowband 7nm H-Alpha filter
Mount: Paramount ME, guided using PhD
Camera: Hutech modified Canon EOS 5D Mark II
Exposure: 21 light frames of 300 seconds, ISO 1600
Processing: Light frames calibrated with dark and flat frames in ImagesPlus. Light frames normalized and combined using MinMax Excluded. Image cropped.