| Name | IC 3864 |
| Type | GX [S] |
| Other names | PGC4346459 |
| Constellation | Coma berenices |
| descr | The IC number includes the superposed star, SDSS J125412.42+185705.1. |
| RA | 12:54:12.3 |
| Dec | +18:57:05.0 |
| major_axis | 18.0'' |
| minor_axis | 12.0'' |
| position_angle | 100.0 |
| mag | 15.7 |
| surface_bright | 12.4 |