| Name | NGC 4839 |
| Type | GX [E5] |
| Other names | PGC44298 / UGC8070 |
| Constellation | Coma berenices |
| descr | The position in 1996ApJS..106....1W is 6 arcsec south of the nucleus. |
| RA | 12:57:24.4 |
| Dec | +27:29:51.0 |
| major_axis | 4.0' |
| minor_axis | 1.9' |
| position_angle | 65.0 |
| mag | 12.1 |
| surface_bright | 14.0 |