NGC 820
Spiral galaxy in the constellation Aries
From Wikipedia, the free encyclopedia
NGC 820 is a spiral galaxy located in the constellation Aries about 210 million light-years from the Milky Way.[3] It was discovered by British astronomer John Herschel on 7 September 1828.[5][6][4][7]
Right ascension02h 08m 24.97482s[1]
Declination+14° 20′ 58.5388″[1]
| NGC 820 | |
|---|---|
SDSS image of NGC 820 | |
| Observation data (J2000 epoch) | |
| Constellation | Aries |
| Right ascension | 02h 08m 24.97482s[1] |
| Declination | +14° 20′ 58.5388″[1] |
| Redshift | 0.01477[2] |
| Heliocentric radial velocity | 4395 km/s[2] |
| Distance | 213.5 Mly (65.46 Mpc)[3] |
| Group or cluster | NGC 820 Group (LGG 48) |
| Apparent magnitude (B) | 13.7[2] |
| Characteristics | |
| Type | Sb[2] |
| Size | ~82,900 ly (25.42 kpc) (estimated)[4] |
| Other designations | |
| IRAS 02057+1406, UGC 1629, MCG +02-06-036, PGC 8165, CGCG 438-031[2] | |
NGC 820 Group
Supernova
One supernova has been observed in NGC 820: SN 2002ea (Type IIn, mag. 17.7) was discovered on 21 July 2002 by Tim Puckett and Jack Newton.[9][10]
