NGC 3857

NGC 3857 is a lenticular galaxy located about 295 million light-years away^[2] in the constellation Leo.^[3] The galaxy was discovered by astronomer by Édouard Stephan on March 23, 1884.^[4] It is a member of the Leo Cluster.^[5]

NGC 3857
SDSS image of NGC 3857
Observation data (J2000 epoch)
Constellation	Leo
Right ascension	11h 44m 50.1s[1]
Declination	19° 31′ 58″[1]
Redshift	0.020964[1]
Heliocentric radial velocity	6285 km/s[1]
Distance	294 Mly (90.2 Mpc)[1]
Group or cluster	Leo Cluster
Apparent magnitude (V)	15.1[1]
Characteristics
Type	S0?[1]
Size	~93,000 ly (28.5 kpc) (estimated)[1]
Apparent size (V)	1.0 x 0.6[1]
Other designations
CGCG 97-117, MCG 3-30-84, PGC 36548[1]