| Name | Date/time | RA | Dec | Magnitude | Filter | Site Code |
|---|---|---|---|---|---|---|
| C/1998 U5 | 1999 01 05.42345 | 21 10 04.57 | +16 51 04.9 | 12.9 | T | 351 |
| C/1998 U5 | 1999 01 05.42706 | 21 10 04.45 | +16 51 02.4 | 351 | ||
| C/1998 U5 | 1999 01 05.43083 | 21 10 04.62 | +16 50 58.5 | 351 | ||
| C/1998 U5 | 1999 01 06.67751 | 21 09 45.72 | +16 37 01.3 | 118 | ||
| C/1998 U5 | 1999 01 06.67899 | 21 09 45.70 | +16 37 00.4 | 118 | ||
| C/1998 U5 | 1999 01 11.39359 | 21 08 48.04 | +15 50 52.0 | 897 | ||
| C/1998 U5 | 1999 01 11.39670 | 21 08 47.99 | +15 50 49.6 | 897 | ||
| C/1998 U5 | 1999 01 18.74815 | 21 07 52.06 | +14 56 14.0 | 14.1 | T | 613 |
| C/1998 U5 | 1999 01 18.75162 | 21 07 51.98 | +14 56 11.8 | 14.2 | T | 613 |
| C/1998 U5 | 1999 01 22.39892 | 21 07 34.36 | +14 35 28.1 | 13.1 | T | 402 |
| C/1998 U5 | 1999 01 22.40075 | 21 07 34.33 | +14 35 28.1 | 402 | ||
| C/1998 U5 | 1999 01 22.40258 | 21 07 34.26 | +14 35 28.9 | 402 | ||
| C/1998 U5 | 1999 03 16.83281 | 21 01 26.58 | +14 10 51.7 | 14.9 | T | 360 |
| C/1998 U5 | 1999 03 16.83542 | 21 01 26.55 | +14 10 51.8 | 360 | ||
| C/1998 U5 | 1999 03 16.83750 | 21 01 26.51 | +14 10 52.3 | 360 | ||
| C/1998 U5 | 1999 04 14.73662 | 20 41 36.76 | +15 54 23.3 | 15.7 | T | 897 |
| C/1998 U5 | 1999 04 14.74348 | 20 41 36.15 | +15 54 26.2 | 897 | ||
| C/1998 U5 | 1999 04 14.80625 | 20 41 32.10 | +15 54 40.7 | 15.6 | T | 360 |
| C/1998 U5 | 1999 04 14.81024 | 20 41 31.84 | +15 54 41.5 | 360 | ||
| C/1998 U5 | 1999 05 24.38441 | 19 22 45.36 | +16 43 56.7 | 19.1 | T | 704 |