| Name | Date/time | RA | Dec | Magnitude | Filter | Site Code |
|---|---|---|---|---|---|---|
| C/1999 H3 | 2000 03 17.35826 | 12 40 06.90 | +42 34 43.6 | 16.4 | T | 704 |
| C/1999 H3 | 2000 03 17.37121 | 12 40 04.89 | +42 34 44.7 | 15.7 | T | 704 |
| C/1999 H3 | 2000 03 17.59302 | 12 39 32.00 | +42 35 08.0 | 14.5 | T | 900 |
| C/1999 H3 | 2000 03 17.60224 | 12 39 30.59 | +42 35 08.8 | 900 | ||
| C/1999 H3 | 2000 03 17.64785 | 12 39 23.70 | +42 35 12.9 | 14.4 | T | 903 |
| C/1999 H3 | 2000 03 17.66303 | 12 39 21.39 | +42 35 13.9 | 903 | ||
| C/1999 H3 | 2000 03 19.74693 | 12 34 11.37 | +42 37 49.2 | 349 | ||
| C/1999 H3 | 2000 03 19.75145 | 12 34 10.66 | +42 37 50.5 | 349 | ||
| C/1999 H3 | 2000 03 19.75840 | 12 34 09.58 | +42 37 50.4 | 14.8 | T | 349 |
| C/1999 H3 | 2000 03 22.45795 | 12 27 29.46 | +42 38 30.0 | 14.5 | T | 300 |
| C/1999 H3 | 2000 03 22.45887 | 12 27 29.32 | +42 38 29.1 | 14.8 | T | 300 |
| C/1999 H3 | 2000 03 22.46133 | 12 27 28.92 | +42 38 30.2 | 15.1 | T | 300 |
| C/1999 H3 | 2000 03 22.65365 | 12 27 00.57 | +42 38 27.1 | 903 | ||
| C/1999 H3 | 2000 03 22.66065 | 12 26 59.54 | +42 38 26.7 | 903 | ||
| C/1999 H3 | 2000 03 22.66766 | 12 26 58.40 | +42 38 27.0 | 903 | ||
| C/1999 H3 | 2000 03 22.74682 | 12 26 46.58 | +42 38 25.4 | 15.0 | T | 349 |
| C/1999 H3 | 2000 03 22.75179 | 12 26 45.90 | +42 38 25.1 | 349 | ||
| C/1999 H3 | 2000 03 22.75292 | 12 26 45.70 | +42 38 25.6 | 349 | ||
| C/1999 H3 | 2000 03 23.93564 | 12 23 51.79 | +42 37 36.6 | 14.7 | T | 049 |
| C/1999 H3 | 2000 03 23.93920 | 12 23 51.28 | +42 37 36.8 | 14.7 | T | 049 |