SN 2002hc
H. Yamaoka reported a revised estimation of magnitude on November 4.927 to
be 15.4CR mag based on GSC2.2 Fmag and UCAC1 magnitude. He claimed that
the discovery magnitude reported in IAUC 7999 (mag about 17) seems to be
underestimated (vsnet-campaign-sn
504, 506).