The Constellation of Orion

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Date: 19 November 2009
Location: Riberac, France.
Exposure: 7 x 10 minutes
Lens: Nikkor 50mm lens at F8.
Camera: Peltier-cooled and H-alpha modified Canon EOS 350D
Guiding: Nikkor 300mm lens with unmodified SPC900 webcam.
Filters: IR/UV filter + CLS filter (to further cut residual light pollution)
Processing: Stacked in IRIS and asinh range compression applied. 2/3 scaled.
Comments: Ambient temperature was 9C during acquisition.