NGC 21
| NGC 21 | |
|---|---|
 NGC 21/NGC 29 | |
| Observation data (J 2000.0 epoch) | |
| Constellation | Andromeda |
| Right ascension | 00h 10m 46.9s[1] |
| Declination | +33° 21′ 10″[1] |
| Redshift | 0.015911[1] |
| Heliocentric radial velocity | 4770 ± 4 km/s[1] |
| Distance | 234 ± 29 Mly (71.7 ± 8.9 Mpc)[2] |
| Apparent magnitude (V) | +12,8 |
| Characteristics | |
| Type | SAB(s)bc |
| Apparent size (V) | 1,2′ × 0,59′ |
| Other designations | |
| NGC 21, UGC 100, PGC 767. | |
NGC 21 (also known as NGC 29) is a spiral galaxy in the Andromeda constellation.
References
- ^ a b c d "NASA/IPAC Extragalactic Database". Results for NGC 0021. Retrieved 2010-05-03.
- ^ "Distance Results for NGC 0021". NASA/IPAC Extragalactic Database. Retrieved 2010-05-03.
External links
- Wikisky image of NGC 29