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Distance: 31 Million Light Years Magnitude: 8.4       M51a Magnitude: 10.5     M51b Size: 11 x 7 Arc Minutes M51a Size: 5 x 5 Arc Minutes M51b Galaxy Type: M51a Spiral Sc Galaxy Type: M51b Dwarf Telescope: 10”RC Camera: QSI 683 Mount: AP 900 Exposure: L 11×300 Bin 1, RGB 11×150 Bin […]

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