The planetary nebula Messier 27 imaged with a hydrogen-alpha filter.
Date: August 31 and September 3, 2012
Constellation: Vulpecula
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: 16 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.