NGC 731

NGC 731 is an elliptical galaxy located in the constellation of Cetus about 172 million light-years away from the Milky Way.^[3] It was discovered by William Herschel on January 10, 1785.^[5] It has a luminosity of 3.9×10¹⁰ L_☉.^[3]

NGC 731
legacy surveys image of NGC 731
Observation data (J2000 epoch)
Constellation	Cetus
Right ascension	01h 54m 56.208s[1]
Declination	−09° 00′ 38.90″[1]
Redshift	0.01301[2]
Heliocentric radial velocity	3875 km/s[2]
Distance	172 Mly (52.7 Mpc)[3]
Apparent magnitude (V)	12.14[4]
Apparent magnitude (B)	13.06[4]
Characteristics
Type	E,[4] cD:[1]
Other designations
MCG -02-05-073, PGC 7118[2]