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NGC 4303

Special Notice #389: Possible Supernova in NGC 4303 (M61) - PSN J12215757+0428185

October 29, 2014: The CBAT Transient Object Confirmation Page (follow-up page = http://www.cbat.eps.harvard.edu/unconf/followups/J12215757+0428185.html) reports the discovery of a possible supernova in M61 (NGC 4303) by Koichi Itagaki (Yamagata, Japan) on 2014 Oct. 29.8376 UT at magnitude 13.6 CCD unfiltered.

Coordinates:  R.A. 12 21 57.57   Dec. +04 28 18.5   (2000.0)

Alert Notice 268: 1216+05 Supernova 1999gn in NGC 4303 = M61

THE AMERICAN ASSOCIATION OF VARIABLE STAR OBSERVERS
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AAVSO ALERT NOTICE 268 (December 20, 1999)

1216+05 SUPERNOVA 1999gn IN NGC 4303 = M61

AAVSO 49 Bay State Rd. Cambridge, MA 02138 aavso@aavso.org 617-354-0484