| Name | Date/time | RA | Dec | Magnitude | Filter | Site Code |
|---|---|---|---|---|---|---|
| C/1998 H1 | 1998 05 03.94419 | 14 39 50.13 | +28 19 40.3 | 963 | ||
| C/1998 H1 | 1998 05 04.51711 | 14 36 10.61 | +29 22 06.6 | 12.3 | T | 900 |
| C/1998 H1 | 1998 05 04.52866 | 14 36 06.18 | +29 23 21.6 | 900 | ||
| C/1998 H1 | 1998 05 04.66595 | 14 35 13.08 | +29 37 56.4 | 13.0 | T | 402 |
| C/1998 H1 | 1998 05 04.66734 | 14 35 12.57 | +29 38 04.9 | 402 | ||
| C/1998 H1 | 1998 05 04.66873 | 14 35 12.05 | +29 38 13.6 | 402 | ||
| C/1998 H1 | 1998 05 04.88858 | 14 33 49.13 | +30 01 11.0 | 963 | ||
| C/1998 H1 | 1998 05 06.09044 | 14 26 16.78 | +32 01 01.1 | 106 | ||
| C/1998 H1 | 1998 05 06.10399 | 14 26 11.63 | +32 02 22.9 | 106 | ||
| C/1998 H1 | 1998 05 06.10979 | 14 26 09.45 | +32 02 58.0 | 106 | ||
| C/1998 H1 | 1998 05 06.60853 | 14 23 05.84 | +32 49 48.2 | 12.2 | T | 897 |
| C/1998 H1 | 1998 05 06.66231 | 14 22 45.74 | +32 54 44.7 | 897 | ||
| C/1998 H1 | 1998 05 06.67619 | 14 22 40.57 | +32 55 59.8 | 897 | ||
| C/1998 H1 | 1998 05 06.67892 | 14 22 39.55 | +32 56 15.0 | 897 | ||
| C/1998 H1 | 1998 05 07.82348 | 14 15 45.63 | +34 36 24.2 | 057 | ||
| C/1998 H1 | 1998 05 07.82622 | 14 15 44.37 | +34 36 45.7 | 057 | ||
| C/1998 H1 | 1998 05 07.83521 | 14 15 41.75 | +34 37 30.4 | 057 | ||
| C/1998 H1 | 1998 05 07.83736 | 14 15 40.65 | +34 37 39.0 | 057 | ||
| C/1998 H1 | 1998 05 07.83994 | 14 15 39.17 | +34 37 51.0 | 13.9 | T | 057 |
| C/1998 H1 | 1998 05 07.84234 | 14 15 38.85 | +34 38 01.4 | 057 |