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M81, also known as Bode's Nebula or NGC 3031, is a classic grand design spiral galaxy, located in Ursa Major approximately 12 million light-years distant, and is the largest member of the M81 Group of Galaxies, another well known member being M82, the active galaxy which is gravitationally bound with M81 and NGC 3077, another member of the group. Date: January 2009 Constellation: Ursa Major Distance: 12 Million Light-Years Place: Fort Davis, TX Exposure Details: LRGB:600:180:180:180 unbinned Processing: MaxIm DL, CCDStack, CCDSharp, RegiStar, Photoshop CS3 Optics: 12.5" RCOS Truss Focal Length: 2802mm @ f9 Mount: Paramount ME Camera: STL6303E Focuser: RCOS Guiding: Off-Axis with SBIG Guide Camera Filters: LRGB Tru-Balance GenII 2"

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