| Name | Date/time | RA | Dec | Magnitude | Filter | Site Code |
|---|---|---|---|---|---|---|
| C/1998 U1 | 1998 11 18.95162 | 02 53 14.62 | +28 14 10.1 | 046 | ||
| C/1998 U1 | 1998 11 18.95433 | 02 53 14.43 | +28 14 08.3 | 046 | ||
| C/1998 U1 | 1998 11 19.08811 | 02 52 58.92 | +28 12 23.6 | 734 | ||
| C/1998 U1 | 1998 11 19.09532 | 02 52 58.16 | +28 12 18.7 | 734 | ||
| C/1998 U1 | 1998 11 19.10238 | 02 52 57.19 | +28 12 08.8 | 18.8 | T | 734 |
| C/1998 U1 | 1998 11 23.36211 | 02 44 57.38 | +27 15 46.9 | 693 | ||
| C/1998 U1 | 1998 11 23.36997 | 02 44 56.51 | +27 15 40.5 | 18.2 | T | 693 |
| C/1998 U1 | 1998 11 23.58403 | 02 44 33.15 | +27 12 48.6 | 18.5 | T | 360 |
| C/1998 U1 | 1998 11 23.58854 | 02 44 32.60 | +27 12 44.4 | 360 | ||
| C/1998 U1 | 1998 11 23.59236 | 02 44 32.20 | +27 12 41.2 | 360 | ||
| C/1998 U1 | 1998 11 26.49450 | 02 39 20.21 | +26 33 35.5 | 18.3 | T | 402 |
| C/1998 U1 | 1998 11 26.49589 | 02 39 20.11 | +26 33 33.8 | 402 | ||
| C/1998 U1 | 1998 11 26.49728 | 02 39 19.88 | +26 33 32.7 | 402 | ||
| C/1998 U1 | 1998 11 29.59263 | 02 34 00.72 | +25 51 36.4 | 18.0 | T | 402 |
| C/1998 U1 | 1998 11 29.59402 | 02 34 00.66 | +25 51 35.0 | 402 | ||
| C/1998 U1 | 1998 11 29.59679 | 02 34 00.46 | +25 51 33.7 | 402 | ||
| C/1998 U1 | 1998 12 17.44572 | 02 08 34.36 | +21 58 23.7 | 18.5 | T | 402 |
| C/1998 U1 | 1998 12 17.44711 | 02 08 34.23 | +21 58 22.2 | 402 | ||
| C/1998 U1 | 1998 12 17.44850 | 02 08 34.16 | +21 58 21.2 | 402 | ||
| C/1998 U1 | 1998 12 17.47760 | 02 08 32.08 | +21 57 59.1 | 18.7 | T | 360 |