| Name | HCG 57 |
| Type | GALCL [S2] |
| Other names | ARP320 |
| RA | 11:37:50.5 |
| Dec | +21:59:06.0 |
| major_axis | 7.2' |
| mag | 11.4 |
| surface_bright | 99.9 |
| Name | HCG 57 |
| Type | GALCL [S2] |
| Other names | ARP320 |
| RA | 11:37:50.5 |
| Dec | +21:59:06.0 |
| major_axis | 7.2' |
| mag | 11.4 |
| surface_bright | 99.9 |