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M81 Close-up using HyperStar Lens

M 81 or Bodes Nebula (Galaxy). It is approximately 12 Million Light Years away in the constellaton Ursa Major (Big Dipper.

Date: August 15, 2014
Scope: 14 inch Celestron CGE 1400.
HyperStar Lens giving: Focal Length: 675 mm; f/1.9
Camera: Nikon D5200 Modified no IR filter.
ISO Setting: 400
Duration: 1 minute per photo.
26 photos Stacked using Deep Sky Stacker
Autoguided using PHD with StarShoot Guide Camera