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LJ Sears: M81 Group/M81, M82 and Supernova in M82/Cigar Galaxy, Ursa Major and Camelopardalis
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LJ Sears: Comparison M82 Supernova_26th Jan 2014, Messier 82, Ursa Major
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LJ Sears: C:2012 S1 ISON Nov 2013
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LJ Sears: C:2013 R1 Lovejoy Dec 2013
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LJ Sears: C:2014 E2 Jacques
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LJ Sears: Comet C:2012 K1 Panstarrs Apr 2014