| Name | Date/time | RA | Dec | Magnitude | Filter | Site Code |
|---|---|---|---|---|---|---|
| C/1999 H3 | 2000 03 01.73731 | 13 17 30.56 | +41 19 55.8 | 900 | ||
| C/1999 H3 | 2000 03 02.21577 | 13 16 26.24 | +41 23 28.0 | 17.5 | T | 750 |
| C/1999 H3 | 2000 03 02.22769 | 13 16 24.64 | +41 23 32.4 | 17.5 | T | 750 |
| C/1999 H3 | 2000 03 04.04494 | 13 12 16.36 | +41 36 23.4 | 14.9 | N | 170 |
| C/1999 H3 | 2000 03 07.21695 | 13 04 51.88 | +41 56 11.7 | 18.7 | T | 750 |
| C/1999 H3 | 2000 03 07.22219 | 13 04 51.22 | +41 56 13.9 | 16.5 | T | 750 |
| C/1999 H3 | 2000 03 07.59211 | 13 03 58.58 | +41 58 18.5 | 903 | ||
| C/1999 H3 | 2000 03 07.59545 | 13 03 58.00 | +41 58 19.6 | 903 | ||
| C/1999 H3 | 2000 03 07.59859 | 13 03 57.58 | +41 58 20.0 | 14.2 | T | 903 |
| C/1999 H3 | 2000 03 08.65480 | 13 01 26.25 | +42 04 02.7 | 15.2 | T | 355 |
| C/1999 H3 | 2000 03 08.65605 | 13 01 26.06 | +42 04 03.5 | 355 | ||
| C/1999 H3 | 2000 03 08.65735 | 13 01 25.87 | +42 04 03.8 | 355 | ||
| C/1999 H3 | 2000 03 08.75308 | 13 01 11.98 | +42 04 33.2 | 349 | ||
| C/1999 H3 | 2000 03 08.75572 | 13 01 11.59 | +42 04 34.3 | 349 | ||
| C/1999 H3 | 2000 03 08.76586 | 13 01 10.16 | +42 04 37.2 | 14.8 | T | 349 |
| C/1999 H3 | 2000 03 10.09242 | 12 57 58.42 | +42 11 07.6 | 15.2 | N | 170 |
| C/1999 H3 | 2000 03 12.54271 | 12 52 00.37 | +42 21 25.4 | 349 | ||
| C/1999 H3 | 2000 03 12.54484 | 12 52 00.06 | +42 21 24.9 | 349 | ||
| C/1999 H3 | 2000 03 12.63599 | 12 51 46.56 | +42 21 45.9 | 14.5 | T | 349 |
| C/1999 H3 | 2000 03 12.69718 | 12 51 37.55 | +42 22 00.0 | 900 |