M81in the constellation Ursa Major. 20x300sec fits exposures captured and combined in Nebulosity v2.4.0 software. Finishing touches done in PhotoShop. 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 (ADM rings). Imaging Camera: Mead DSI Color 16bit camera with Peltier cooler modification. Guide Camera: Meade DSI Pro monochrome 16bit camera. Imaging camera in prime focus. Filtration used: Baader UV/IR Cut filter · Date/Time 2011:06:05 00:27:26 · Resolution 800 x 603

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Sunday 27 September 2020

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