| Name | Date/time | RA | Dec | Magnitude | Filter | Site Code |
|---|---|---|---|---|---|---|
| C/1999 U4 | 1999 09 18.42038 | 02 28 23.82 | +19 21 11.1 | 18.2 | T | 699 |
| C/1999 U4 | 1999 09 18.43314 | 02 28 23.61 | +19 21 12.2 | 699 | ||
| C/1999 U4 | 1999 09 18.44589 | 02 28 23.29 | +19 21 14.0 | 699 | ||
| C/1999 U4 | 1999 10 03.28927 | 02 22 48.04 | +19 47 05.2 | 18.3 | T | 704 |
| C/1999 U4 | 1999 10 03.30045 | 02 22 47.73 | +19 47 05.1 | 18.9 | T | 704 |
| C/1999 U4 | 1999 10 03.31164 | 02 22 47.44 | +19 47 08.3 | 18.7 | T | 704 |
| C/1999 U4 | 1999 10 03.33395 | 02 22 46.70 | +19 47 10.3 | 18.5 | T | 704 |
| C/1999 U4 | 1999 11 01.27779 | 02 08 14.92 | +20 16 35.4 | 17.4 | T | 699 |
| C/1999 U4 | 1999 11 01.30836 | 02 08 13.91 | +20 16 36.7 | 699 | ||
| C/1999 U4 | 1999 11 01.33894 | 02 08 12.93 | +20 16 36.9 | 699 | ||
| C/1999 U4 | 1999 11 01.77912 | 02 07 58.78 | +20 16 52.9 | 557 | ||
| C/1999 U4 | 1999 11 01.78110 | 02 07 58.72 | +20 16 52.7 | 557 | ||
| C/1999 U4 | 1999 11 01.78308 | 02 07 58.65 | +20 16 53.0 | 557 | ||
| C/1999 U4 | 1999 11 01.79495 | 02 07 58.29 | +20 16 53.3 | 557 | ||
| C/1999 U4 | 1999 11 01.81109 | 02 07 57.67 | +20 16 54.4 | 16.9 | T | 046 |
| C/1999 U4 | 1999 11 01.81336 | 02 07 57.60 | +20 16 54.1 | 046 | ||
| C/1999 U4 | 1999 11 01.81672 | 02 07 57.48 | +20 16 54.4 | 046 | ||
| C/1999 U4 | 1999 11 01.81969 | 02 07 57.42 | +20 16 53.8 | 046 | ||
| C/1999 U4 | 1999 11 01.82154 | 02 07 57.36 | +20 16 54.1 | 046 | ||
| C/1999 U4 | 1999 11 01.82410 | 02 07 57.32 | +20 16 54.5 | 046 |