| Name | Date/time | RA | Dec | Magnitude | Filter | Site Code |
|---|---|---|---|---|---|---|
| C/1999 H3 | 2000 04 01.67238 | 12 03 03.46 | +42 14 41.2 | 349 | ||
| C/1999 H3 | 2000 04 01.68137 | 12 03 02.20 | +42 14 38.5 | 349 | ||
| C/1999 H3 | 2000 04 01.71737 | 12 02 57.28 | +42 14 29.3 | 903 | ||
| C/1999 H3 | 2000 04 01.72128 | 12 02 56.68 | +42 14 28.9 | 903 | ||
| C/1999 H3 | 2000 04 01.75468 | 12 02 52.17 | +42 14 19.6 | 15.0 | T | 903 |
| C/1999 H3 | 2000 04 01.90923 | 12 02 31.14 | +42 13 40.3 | 15.2 | T | 610 |
| C/1999 H3 | 2000 04 01.91270 | 12 02 30.64 | +42 13 39.2 | 610 | ||
| C/1999 H3 | 2000 04 01.91617 | 12 02 30.14 | +42 13 38.1 | 610 | ||
| C/1999 H3 | 2000 04 01.91964 | 12 02 29.64 | +42 13 37.1 | 610 | ||
| C/1999 H3 | 2000 04 03.53471 | 11 58 50.18 | +42 06 05.5 | 14.5 | T | 367 |
| C/1999 H3 | 2000 04 03.53715 | 11 58 49.81 | +42 06 04.5 | 367 | ||
| C/1999 H3 | 2000 04 03.53958 | 11 58 49.47 | +42 06 03.9 | 367 | ||
| C/1999 H3 | 2000 04 05.84558 | 11 53 43.56 | +41 53 44.6 | 15.6 | N | 170 |
| C/1999 H3 | 2000 04 05.85803 | 11 53 41.95 | +41 53 40.1 | 15.8 | N | 170 |
| C/1999 H3 | 2000 04 05.87384 | 11 53 39.82 | +41 53 34.6 | 15.8 | N | 170 |
| C/1999 H3 | 2000 04 06.47449 | 11 52 21.68 | +41 50 05.2 | 15.4 | T | 300 |
| C/1999 H3 | 2000 04 06.47725 | 11 52 21.44 | +41 50 03.3 | 300 | ||
| C/1999 H3 | 2000 04 06.47817 | 11 52 21.18 | +41 50 02.8 | 300 | ||
| C/1999 H3 | 2000 04 06.54917 | 11 52 11.90 | +41 49 37.3 | 15.4 | T | 351 |
| C/1999 H3 | 2000 04 06.55425 | 11 52 11.34 | +41 49 36.1 | 351 |