Messier 61
Messier 61 (also known as M61 or NGC 4303) is a spiral galaxy in the Virgo Cluster. It was discovered by Barnabus Oriani on May 5, 1779.
M61 is one of the larger members of the Virgo Cluster.
Six supernovae have been observed in this galaxy:
SN 2008in
SN 2006ov
SN 1999gn
SN 1964F
SN 1961I
SN 1926A