Comment on SN.... : Spectroscopic properties indicate of this SN resemble those of Type 1 Seyfert nuclei and QSOs. See the paper of Alexei V. Filippenko "The 'Seyfert 1" Optical Spectra of the Type II Supernovae 1987F and 1988I" ( AJ, v97 n3, 726, 1989) and IAU Circular 6589, 1997.
Comment on Gal... : Host 1997ab
Host Galaxy information (for SNe discovered since January 2015):