| Name | NGC 587 |
| Type | GX [SBb] |
| Other names | PGC5746 / UGC1100 |
| Constellation | Triangulum |
| descr | Sometimes identified as IC 1713, but that is a star. |
| RA | 01:32:33.3 |
| Dec | +35:21:30.0 |
| major_axis | 2.2' |
| minor_axis | 48.0'' |
| position_angle | 67.0 |
| mag | 12.8 |
| surface_bright | 13.2 |