| discov | author |
| HEI | Heintz, W.D. |
| coord_2000 | discov_num | comp | epoch | obs | pa | sep | mag_pri | mag_sec | spectr | dm_number | notes | coord_arcsec_2000 |
| 18055+0311 | HEI 257 | 2005 | 4 | 331 | 1.8 | 10.30 | 11.50 | 180527.30+031127.1 | ||||
| 18055+0311 | HEI 257 | 2015 | 5 | 331 | 1.7 | 10.30 | 11.50 | 180527.30+031127.1 |