| Name | NGC 5164 |
| Type | GX [SBb] |
| Other names | PGC47124 / UGC8458 |
| Constellation | Ursa major |
| descr | MRK 0257 in Astrofiz,5,581,1969 table, but chart/note are for CGCG 271-046. |
| RA | 13:27:11.9 |
| Dec | +55:29:13.0 |
| major_axis | 60.0'' |
| minor_axis | 54.0'' |
| position_angle | 27.0 |
| mag | 13.7 |
| surface_bright | 13.3 |