SN 2002at
NGC 3720, the host galaxy of SN 2002at, makes a pair (KPC 289) with NGC
3719 (brighter than NGC 3720). NGC 3720 itself is a early-type spiral
galaxy, and the SN appeared very close to the nucleus. The expected maximum
for typical SN Ia is mag about 16.2 (vsnet-campaign-sn
343).