| Name | Date/time | RA | Dec | Magnitude | Filter | Site Code |
|---|---|---|---|---|---|---|
| C/1999 U4 | 1999 11 18.46145 | 01 59 12.93 | +20 24 32.2 | 17.0 | T | 402 |
| C/1999 U4 | 1999 11 18.46396 | 01 59 12.87 | +20 24 31.7 | 402 | ||
| C/1999 U4 | 1999 11 18.46817 | 01 59 12.72 | +20 24 32.1 | 402 | ||
| C/1999 U4 | 1999 11 27.86486 | 01 54 45.43 | +20 28 00.4 | 958 | ||
| C/1999 U4 | 1999 11 27.90292 | 01 54 44.28 | +20 27 59.9 | 958 | ||
| C/1999 U4 | 1999 11 28.51353 | 01 54 27.94 | +20 28 15.5 | 17.0 | T | 897 |
| C/1999 U4 | 1999 11 28.52049 | 01 54 27.87 | +20 28 15.8 | 897 | ||
| C/1999 U4 | 1999 11 28.52743 | 01 54 27.65 | +20 28 15.1 | 897 | ||
| C/1999 U4 | 1999 11 28.57051 | 01 54 26.52 | +20 28 16.9 | 17.2 | T | 349 |
| C/1999 U4 | 1999 11 28.57257 | 01 54 26.50 | +20 28 16.2 | 349 | ||
| C/1999 U4 | 1999 11 28.58053 | 01 54 26.13 | +20 28 15.5 | 349 | ||
| C/1999 U4 | 1999 11 30.56024 | 01 53 34.60 | +20 29 03.5 | 17.5 | T | 360 |
| C/1999 U4 | 1999 11 30.56441 | 01 53 34.47 | +20 29 03.6 | 360 | ||
| C/1999 U4 | 1999 12 03.48941 | 01 52 21.39 | +20 30 16.8 | 17.6 | T | 402 |
| C/1999 U4 | 1999 12 03.49066 | 01 52 21.34 | +20 30 17.0 | 402 | ||
| C/1999 U4 | 1999 12 03.49192 | 01 52 21.29 | +20 30 17.0 | 402 | ||
| C/1999 U4 | 1999 12 07.50944 | 01 50 47.39 | +20 32 09.8 | 17.1 | T | 355 |
| C/1999 U4 | 1999 12 07.51310 | 01 50 47.35 | +20 32 09.2 | 355 | ||
| C/1999 U4 | 1999 12 07.51650 | 01 50 47.16 | +20 32 09.4 | 355 | ||
| C/1999 U4 | 1999 12 07.54879 | 01 50 46.54 | +20 32 11.2 | 17.2 | T | 900 |