Messier 61

Messier 61^[1]
Observation data; Epoch J2000
Constellation	Virgo
Right ascension	12h 21m 54.9s
Declination	+04° 28′ 25″
Apparent dimension (V)	6.5 × 5.8 moa
Apparent magnitude (V)	10.18
Characteristics
Type	SAB(rs)bc, HIISy2
Astrometry
Helio Radial velocity	1566 ± 2km/s
Redshift	0.005224 ± 0.000007
Galactocentric Velocity	1483 ± 4 km/s
Distance	52.5 ± 2.3 Mly (16.1 ± 0.71 Mpc)
Other designations
	NGC 4303, UGC 07420, PGC 040001, MCG +01-32-022, USGC U490 NED310, MRC 1219+047
Database references
SIMBAD	Search M61 data
See also: Galaxy, List of galaxies

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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:^[3]

Amateur Image of Messier 61 Showing Supernova 2008in on April 16, 2009

Infrared image of M61 taken by the Spitzer Space Telescope

[edit] References

Wikimedia Commons has media related to: Messier 61

Observation data Epoch J2000
Constellation	Virgo
Right ascension	12^h 21^m 54.9^s^[2]
Declination	+04° 28′ 25″^[2]
Apparent dimension (V)	6.5 × 5.8 moa^[2]
Apparent magnitude (V)	10.18
Characteristics
Type	SAB(rs)bc,^[2] H_IISy2^[2]
Astrometry
Helio Radial velocity	1566 ± 2^[2]km/s
Redshift	0.005224 ± 0.000007^[2]
Galactocentric Velocity	1483 ± 4^[2] km/s
Distance	52.5 ± 2.3 Mly (16.1 ± 0.71 Mpc)
Other designations
NGC 4303,^[2] UGC 07420,^[2] PGC 040001,^[2] MCG +01-32-022,^[2] USGC U490 NED310,^[2] MRC 1219+047^[2]
Database references
SIMBAD	Search M61 data
See also: Galaxy, List of galaxies