| Name | Date/time | RA | Dec | Magnitude | Filter | Site Code |
|---|---|---|---|---|---|---|
| C/1999 U4 | 2000 01 28.44236 | 01 44 40.96 | +21 43 01.5 | 360 | ||
| C/1999 U4 | 2000 03 01.43472 | 01 54 15.89 | +23 30 57.2 | 17.4 | T | 360 |
| C/1999 U4 | 2000 03 01.43906 | 01 54 15.96 | +23 30 57.8 | 360 | ||
| C/1999 U4 | 2000 07 05.74132 | 03 13 19.26 | +36 06 04.6 | 16.7 | T | 402 |
| C/1999 U4 | 2000 07 05.74385 | 03 13 19.30 | +36 06 06.6 | 402 | ||
| C/1999 U4 | 2000 07 05.74638 | 03 13 19.45 | +36 06 06.7 | 402 | ||
| C/1999 U4 | 2000 07 19.72396 | 03 21 15.36 | +37 52 54.2 | 17.5 | T | 402 |
| C/1999 U4 | 2000 07 19.72648 | 03 21 15.35 | +37 52 55.7 | 402 | ||
| C/1999 U4 | 2000 07 19.73028 | 03 21 15.46 | +37 52 57.8 | 402 | ||
| C/1999 U4 | 2000 07 29.72519 | 03 26 10.47 | +39 11 57.5 | 349 | ||
| C/1999 U4 | 2000 07 29.72863 | 03 26 10.63 | +39 11 56.9 | 349 | ||
| C/1999 U4 | 2000 07 29.73216 | 03 26 10.71 | +39 11 59.8 | 16.8 | T | 349 |
| C/1999 U4 | 2000 08 07.97558 | 03 30 00.62 | +40 26 49.6 | 16.5 | T | 183 |
| C/1999 U4 | 2000 08 10.01465 | 03 30 45.14 | +40 43 35.8 | 958 | ||
| C/1999 U4 | 2000 08 10.04414 | 03 30 45.84 | +40 43 50.5 | 958 | ||
| C/1999 U4 | 2000 08 11.03552 | 03 31 06.48 | +40 52 01.9 | 958 | ||
| C/1999 U4 | 2000 08 14.78472 | 03 32 18.87 | +41 23 04.0 | 16.6 | T | 360 |
| C/1999 U4 | 2000 08 14.78958 | 03 32 18.91 | +41 23 06.1 | 360 | ||
| C/1999 U4 | 2000 08 22.03678 | 03 34 12.41 | +42 23 41.4 | 958 | ||
| C/1999 U4 | 2000 08 23.16097 | 03 34 26.55 | +42 33 08.8 | 958 |