NGC 721
Galaxy in the constellation Andromeda
From Wikipedia, the free encyclopedia
NGC 721 is a barred spiral galaxy located in the constellation Andromeda about 250 million light years from the Milky Way. It was discovered by the Prussian astronomer Heinrich d'Arrest in 1862.[5][6][7]
Right ascension01h 54m 45.45687s[1]
Declination+39° 23′ 00.7702″[1]
| NGC 721 | |
|---|---|
Pan-STARRS image of NGC 721 | |
| Observation data (J2000 epoch) | |
| Constellation | Andromeda |
| Right ascension | 01h 54m 45.45687s[1] |
| Declination | +39° 23′ 00.7702″[1] |
| Redshift | 0.018566[2] |
| Heliocentric radial velocity | 5514 km/s[2] |
| Distance | 182.6 Mly (55.98 Mpc)[3] |
| Apparent magnitude (B) | 13.8[2] |
| Characteristics | |
| Type | SB(rs)bc[4] |
| Other designations | |
| UGC 1376, MCG 06-05-043, PGC 7097[2] | |
