| Name | Abell 21 |
| Type | PN |
| Other names | PK205+14.1 / PNG205.1+14.2 |
| RA | 07:29:02.7 |
| Dec | +13:14:49.0 |
| major_axis | 12.0' |
| minor_axis | 9.0' |
| mag | 11.3 |
| surface_bright | 15.5 |
| Name | Abell 21 |
| Type | PN |
| Other names | PK205+14.1 / PNG205.1+14.2 |
| RA | 07:29:02.7 |
| Dec | +13:14:49.0 |
| major_axis | 12.0' |
| minor_axis | 9.0' |
| mag | 11.3 |
| surface_bright | 15.5 |