| Name | NGC 3184 |
| Type | GX [SBc] |
| Other names | PGC30087 / UGC5557 |
| Constellation | Ursa major |
| descr | IRAS source is extended over optical size of galaxy. |
| RA | 10:18:17.0 |
| Dec | +41:25:24.0 |
| major_axis | 7.4' |
| minor_axis | 6.9' |
| position_angle | 135.0 |
| mag | 9.8 |
| surface_bright | 13.8 |