A monochrome image of the Cocoon Nebula, IC5146, and a section of the dark nebula Barnard 168.
Date: July 19, 2013
Constellation: Cygnus
Location: Dominion Astrophysical Observatory, Victoria, BC
Optics: TeleVue NP-127is used at f/5.2 with Baader Planetarium Narrowband 7nm H-Alpha filter
Mount: Paramount ME, guided using PhD
Camera: Hutech modified Canon EOS 5D Mark II
Exposure: 31 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