NGC 821
Galaxy in the constellation Aries
From Wikipedia, the free encyclopedia
NGC 821 is an elliptical galaxy in the constellation Aries. It is estimated to be about 80 million light-years from the Milky Way[3] and has a diameter of approximately 55,000 light years. NGC 821 was discovered on September 4, 1786, by astronomer Wilhelm Herschel.[4][5][6]
| NGC 821 | |
|---|---|
Pan-STARRS image of NGC 821 | |
| Observation data (J2000 epoch) | |
| Constellation | Aries |
| Right ascension | 02h 08m 21.150s[1] |
| Declination | +10° 59′ 41.53″[1] |
| Redshift | 0.005814[2] |
| Heliocentric radial velocity | 1738 km/s[2] |
| Distance | 75.8 Mly (23.23 Mpc)[3] |
| Apparent magnitude (V) | 11.31[2] |
| Apparent magnitude (B) | 12.21[2] |
| Characteristics | |
| Type | E6[2] |
| Other designations | |
| UGC 1631, MCG +02-06-034, PGC 8160[2] | |
