NGC 3821 | |
---|---|
Observation data (J2000 epoch) | |
Constellation | Leo |
Right ascension | 11h 42m 09.1s[1] |
Declination | 20° 18′ 56″[1] |
Redshift | 0.019227[1] |
Heliocentric radial velocity | 5764 km/s[1] |
Distance | 271 Mly (83.1 Mpc)[1] |
Group or cluster | Leo Cluster |
Apparent magnitude (V) | 13.7[1] |
Characteristics | |
Type | (R)SAB(s)ab[1] |
Size | ~123,000 ly (37.7 kpc) (estimated)[1] |
Apparent size (V) | 1.4 x 1.3[1] |
Other designations | |
CGCG 127-32, MCG 4-28-30, PGC 36314, UGC 6663[1] |
NGC 3821 is a low surface brightness[2] spiral galaxy[3] and a ring galaxy[4] about 270 million light-years away[3] in the constellation Leo.[5] The galaxy was discovered by astronomer William Herschel on April 26, 1785[6] and is a member of the Leo Cluster.[7]
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