| 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] | |
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]
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