| Name | Date/time | RA | Dec | Magnitude | Filter | Site Code |
|---|---|---|---|---|---|---|
| C/1998 U5 | 1998 12 22.44295 | 21 16 29.25 | +20 39 44.7 | 10.9 | T | 347 |
| C/1998 U5 | 1998 12 22.44567 | 21 16 29.04 | +20 39 42.3 | 11.3 | T | 347 |
| C/1998 U5 | 1998 12 22.44884 | 21 16 29.02 | +20 39 36.8 | 11.4 | T | 347 |
| C/1998 U5 | 1998 12 23.37355 | 21 15 49.88 | +20 19 07.8 | 12.1 | T | 402 |
| C/1998 U5 | 1998 12 23.37460 | 21 15 49.82 | +20 19 06.5 | 402 | ||
| C/1998 U5 | 1998 12 23.37564 | 21 15 49.78 | +20 19 05.1 | 402 | ||
| C/1998 U5 | 1998 12 25.45038 | 21 14 31.00 | +19 36 30.8 | 12.9 | T | 351 |
| C/1998 U5 | 1998 12 25.45235 | 21 14 30.99 | +19 36 27.8 | 351 | ||
| C/1998 U5 | 1998 12 27.75422 | 21 13 16.66 | +18 54 11.0 | 13.1 | T | 958 |
| C/1998 U5 | 1998 12 27.76780 | 21 13 16.19 | +18 53 56.1 | 13.4 | T | 958 |
| C/1998 U5 | 1998 12 29.69375 | 21 12 22.80 | +18 22 02.9 | 12.6 | T | 118 |
| C/1998 U5 | 1998 12 29.70030 | 21 12 22.57 | +18 21 56.7 | 118 | ||
| C/1998 U5 | 1998 12 30.41663 | 21 12 04.46 | +18 10 52.3 | 11.4 | T | 897 |
| C/1998 U5 | 1998 12 30.42273 | 21 12 04.25 | +18 10 46.4 | 897 | ||
| C/1998 U5 | 1998 12 30.42552 | 21 12 04.20 | +18 10 43.6 | 897 | ||
| C/1998 U5 | 1998 12 30.80970 | 21 11 54.98 | +18 04 55.4 | 13.7 | T | 613 |
| C/1998 U5 | 1998 12 30.81525 | 21 11 54.84 | +18 04 50.1 | 13.8 | T | 613 |
| C/1998 U5 | 1999 01 05.37203 | 21 10 05.54 | +16 51 40.0 | 12.6 | T | 402 |
| C/1998 U5 | 1999 01 05.37341 | 21 10 05.48 | +16 51 39.1 | 402 | ||
| C/1998 U5 | 1999 01 05.37480 | 21 10 05.47 | +16 51 37.9 | 402 |