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Messier 102
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Messier 102

March 31, 2003
Atlas Image mosaic, covering 7´ × 7´ on the sky of the lenticular (S0) galaxy, Messier 102 (M102). Or is it??? As the Students for the Exploration and Development of Space (SEDS) page indicates, M102 is the most mysterious of the Messier objects. It is thought that the designation is either a 'bookkeeping' error made by Charles Messier, being a duplicate referral to the giant spiral M101, or it refers to this early-type lenticular galaxy, NGC 5866, aka the Spindle Galaxy. 2002 Mar 13-19