| Name | Date/time | RA | Dec | Magnitude | Filter | Site Code |
|---|---|---|---|---|---|---|
| C/1999 H3 | 2000 03 23.94052 | 12 23 50.85 | +42 37 38.7 | 13.5 | T | 171 |
| C/1999 H3 | 2000 03 23.94248 | 12 23 50.74 | +42 37 35.6 | 14.6 | T | 049 |
| C/1999 H3 | 2000 03 23.97037 | 12 23 46.52 | +42 37 38.4 | 13.5 | T | 171 |
| C/1999 H3 | 2000 03 24.97589 | 12 21 19.14 | +42 36 29.4 | 14.9 | N | 170 |
| C/1999 H3 | 2000 03 24.99881 | 12 21 15.81 | +42 36 26.4 | 14.5 | N | 170 |
| C/1999 H3 | 2000 03 25.50263 | 12 20 02.36 | +42 35 43.4 | 14.8 | T | 349 |
| C/1999 H3 | 2000 03 25.50415 | 12 20 02.13 | +42 35 44.2 | 349 | ||
| C/1999 H3 | 2000 03 25.51072 | 12 20 01.19 | +42 35 44.1 | 349 | ||
| C/1999 H3 | 2000 03 25.58506 | 12 19 50.29 | +42 35 36.2 | 15.0 | T | 355 |
| C/1999 H3 | 2000 03 25.58852 | 12 19 49.78 | +42 35 35.8 | 355 | ||
| C/1999 H3 | 2000 03 25.59383 | 12 19 48.97 | +42 35 35.7 | 355 | ||
| C/1999 H3 | 2000 03 26.26676 | 12 18 11.24 | +42 34 23.8 | 17.0 | T | 704 |
| C/1999 H3 | 2000 03 26.29565 | 12 18 06.69 | +42 34 24.1 | 17.2 | T | 704 |
| C/1999 H3 | 2000 03 26.31006 | 12 18 04.48 | +42 34 20.9 | 16.8 | T | 704 |
| C/1999 H3 | 2000 03 26.32449 | 12 18 01.91 | +42 34 18.2 | 16.8 | T | 704 |
| C/1999 H3 | 2000 03 27.54524 | 12 15 06.30 | +42 31 46.0 | 14.7 | T | 900 |
| C/1999 H3 | 2000 03 27.55797 | 12 15 04.45 | +42 31 43.7 | 900 | ||
| C/1999 H3 | 2000 03 29.30480 | 12 10 54.51 | +42 27 02.4 | 17.8 | T | 750 |
| C/1999 H3 | 2000 03 29.30974 | 12 10 53.84 | +42 27 01.0 | 17.6 | T | 750 |
| C/1999 H3 | 2000 03 29.85307 | 12 09 37.00 | +42 25 17.4 | 15.7 | N | 170 |
