| Name | Date/time | RA | Dec | Magnitude | Filter | Site Code |
|---|---|---|---|---|---|---|
| C/1998 H1 | 1998 05 21.91269 | 13 08 05.77 | +46 15 43.3 | 146 | ||
| C/1998 H1 | 1998 05 22.46289 | 13 06 08.78 | +46 29 30.7 | 897 | ||
| C/1998 H1 | 1998 05 22.47108 | 13 06 07.05 | +46 29 42.2 | 897 | ||
| C/1998 H1 | 1998 05 22.55310 | 13 05 49.53 | +46 31 39.5 | 352 | ||
| C/1998 H1 | 1998 05 22.55588 | 13 05 49.05 | +46 31 43.2 | 352 | ||
| C/1998 H1 | 1998 05 22.55865 | 13 05 48.35 | +46 31 47.8 | 352 | ||
| C/1998 H1 | 1998 05 22.83810 | 13 04 50.50 | +46 38 27.2 | 108 | ||
| C/1998 H1 | 1998 05 22.84433 | 13 04 49.16 | +46 38 36.9 | 108 | ||
| C/1998 H1 | 1998 05 22.84861 | 13 04 48.45 | +46 38 43.6 | 108 | ||
| C/1998 H1 | 1998 05 22.94157 | 13 04 28.84 | +46 40 54.1 | 143 | ||
| C/1998 H1 | 1998 05 22.94276 | 13 04 28.54 | +46 40 55.9 | 143 | ||
| C/1998 H1 | 1998 05 22.94392 | 13 04 28.35 | +46 40 56.9 | 143 | ||
| C/1998 H1 | 1998 05 22.96156 | 13 04 24.71 | +46 41 21.1 | 143 | ||
| C/1998 H1 | 1998 05 22.96273 | 13 04 24.50 | +46 41 22.6 | 143 | ||
| C/1998 H1 | 1998 05 22.96391 | 13 04 24.19 | +46 41 24.5 | 143 | ||
| C/1998 H1 | 1998 05 23.55682 | 13 02 24.16 | +46 54 55.9 | 14.9 | T | 355 |
| C/1998 H1 | 1998 05 23.55780 | 13 02 24.00 | +46 54 57.0 | 355 | ||
| C/1998 H1 | 1998 05 23.55972 | 13 02 23.59 | +46 54 59.6 | 355 | ||
| C/1998 H1 | 1998 05 23.90855 | 13 01 14.51 | +47 02 37.4 | 504 | ||
| C/1998 H1 | 1998 05 23.91244 | 13 01 13.60 | +47 02 40.5 | 504 |
