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M81 03152011 · M81 in the constellation Ursa Major. 10x120sec fits exposures captured and combined in Nebulosity v2.3.0 software. Finishing touches done in PhotoShop. This was my first night out using the Orion Atlas EQ-G mount, 8" Orion Newtonian reflector, and 80mm Meade guide scope under a full Moon.
Telescope: Orion 8" 1000mm f4.9 Newtonian reflector.
Mount: Orion Atlas EQ-G
Guide Scope: Meade 800mm f10 reduced to f5 with Atik x.5 focal length reducer.
Imaging Camera: Mead DSI Color 16bit camera.
Guide Camera: Meade DSI Pro monochrome 16bit camera.
Imaging camera in prime focus.
Filtration used: Baader UV/IR Cut filter ·