Comment on SN.... : There are many reported positions for the supernova in IAU Circulars from different observers ( No 6516, 6557 ): M. Cavagna and F. Manca, Sormano: R.A. = 1h43m44s.58, Decl. = +4d13'19".7 ; G. J. Garradd, Loomberah, N.S.W.: 44.68, 20.0 ( end figures D. di Cicco, Sudbury, MA: 44.48, 19.8 ( '' C. Hergenrother: 44.51, 19.0 ( '' We adopted values 44.51, 19.7 ( '' ).
Comment on Gal... : N 664
Host Galaxy information (for SNe discovered since January 2015):