could reach mag 13?

Forums Spectroscopy SN2017igf in NGC 3901 could reach mag 13?

Robin Leadbeater

Nice image David. (I had to put the waterproof on to put the bins out tonight over on this side of the country !)   Definitely much brighter than on Saturday. If it is a normal Ia and ignoring any extinction in the host galaxy it could theoretically top out around mag 12.8 at this distance.