Сверхновая в М51
 

2005cs, IAUC 8553 discovered 2005/06/27.933 by Wolfgang Kloehr Found in M51 at R.A. = 13h29m52s.85, Decl. = +47 10'36".3 Located 15" west and 67".3 south of the nucleus of NGC 5194 (= M51) (Koichi Itagaki confirmation image) (LOSS image) Mag 13.5, Type unknown (References: SN 1994I)