Hickson 21 (HCG 21)
Hickson 21 (HCG 21) is galaxy group located in the constellation of Eridanus. is from the Hickson Compact Group list of 100 galaxy groups. Here are some key stats on HCG 21:
| Hickson #: | HCG 21 |
| Common name: | NGC 1099 Group |
| Galaxy count: | 5 |
| Constellation: | Eridanus |
| Magnitude: | 11.0 |
| Right Ascension: | 2h 45m 17.7s |
| Declination: | -17° 37' 10" |
Group members
Galaxies in the Hickson 21 group: