| Name | Date/time | RA | Dec | Magnitude | Filter | Site Code |
|---|---|---|---|---|---|---|
| C/1998 H1 | 1998 05 02.17022 | 14 51 21.05 | +24 51 25.0 | 13.6 | T | 758 |
| C/1998 H1 | 1998 05 02.17192 | 14 51 20.39 | +24 51 36.0 | 13.5 | T | 758 |
| C/1998 H1 | 1998 05 02.17826 | 14 51 17.84 | +24 52 23.8 | 13.5 | T | 758 |
| C/1998 H1 | 1998 05 02.23731 | 14 50 54.80 | +24 59 42.0 | 14.5 | T | 700 |
| C/1998 H1 | 1998 05 02.24291 | 14 50 52.56 | +25 00 22.0 | 14.4 | T | 700 |
| C/1998 H1 | 1998 05 02.24619 | 14 50 51.18 | +25 00 46.7 | 14.5 | T | 700 |
| C/1998 H1 | 1998 05 02.94182 | 14 46 18.46 | +26 24 48.2 | 118 | ||
| C/1998 H1 | 1998 05 02.94669 | 14 46 16.53 | +26 25 22.7 | 11.6 | T | 118 |
| C/1998 H1 | 1998 05 03.18300 | 14 44 44.78 | +26 53 10.0 | 13.5 | T | 758 |
| C/1998 H1 | 1998 05 03.18519 | 14 44 43.93 | +26 53 24.2 | 13.5 | T | 758 |
| C/1998 H1 | 1998 05 03.54618 | 14 42 23.70 | +27 35 05.3 | 896 | ||
| C/1998 H1 | 1998 05 03.55694 | 14 42 19.84 | +27 36 13.7 | 896 | ||
| C/1998 H1 | 1998 05 03.64097 | 14 41 46.75 | +27 45 47.6 | 896 | ||
| C/1998 H1 | 1998 05 03.68507 | 14 41 29.52 | +27 50 46.4 | 12.3 | T | 360 |
| C/1998 H1 | 1998 05 03.68715 | 14 41 28.71 | +27 51 00.5 | 360 | ||
| C/1998 H1 | 1998 05 03.68924 | 14 41 27.89 | +27 51 14.6 | 360 | ||
| C/1998 H1 | 1998 05 03.81867 | 14 40 38.79 | +28 05 42.4 | 046 | ||
| C/1998 H1 | 1998 05 03.82104 | 14 40 37.86 | +28 05 57.8 | 046 | ||
| C/1998 H1 | 1998 05 03.82179 | 14 40 37.58 | +28 06 03.0 | 046 | ||
| C/1998 H1 | 1998 05 03.82257 | 14 40 37.25 | +28 06 08.6 | 046 |