| Name | Date/time | RA | Dec | Magnitude | Filter | Site Code |
|---|---|---|---|---|---|---|
| C/1999 H3 | 2000 04 11.59993 | 11 41 42.67 | +41 15 38.3 | 15.2 | T | 349 |
| C/1999 H3 | 2000 04 11.60874 | 11 41 41.62 | +41 15 34.5 | 349 | ||
| C/1999 H3 | 2000 04 12.69236 | 11 39 33.29 | +41 07 20.4 | 14.7 | T | 360 |
| C/1999 H3 | 2000 04 12.69479 | 11 39 32.99 | +41 07 19.5 | 360 | ||
| C/1999 H3 | 2000 04 12.82277 | 11 39 18.38 | +41 06 20.2 | 16.6 | N | 170 |
| C/1999 H3 | 2000 04 12.86302 | 11 39 13.47 | +41 06 00.6 | 16.0 | N | 170 |
| C/1999 H3 | 2000 04 12.93566 | 11 39 05.08 | +41 05 27.4 | 16.0 | N | 170 |
| C/1999 H3 | 2000 04 13.84409 | 11 37 20.03 | +40 58 15.0 | 16.5 | N | 170 |
| C/1999 H3 | 2000 04 16.48432 | 11 32 24.34 | +40 36 11.8 | 15.0 | T | 900 |
| C/1999 H3 | 2000 04 16.49712 | 11 32 22.93 | +40 36 05.1 | 900 | ||
| C/1999 H3 | 2000 04 17.89014 | 11 29 53.27 | +40 23 46.8 | 16.4 | N | 170 |
| C/1999 H3 | 2000 04 17.90210 | 11 29 52.01 | +40 23 41.7 | 16.4 | N | 170 |
| C/1999 H3 | 2000 04 17.95594 | 11 29 46.13 | +40 23 12.3 | 14.8 | T | 118 |
| C/1999 H3 | 2000 04 17.96381 | 11 29 45.32 | +40 23 08.0 | 118 | ||
| C/1999 H3 | 2000 04 19.85137 | 11 26 29.74 | +40 05 49.2 | 17.1 | N | 170 |
| C/1999 H3 | 2000 04 19.87377 | 11 26 27.46 | +40 05 36.6 | 118 | ||
| C/1999 H3 | 2000 04 19.87861 | 11 26 26.97 | +40 05 33.3 | 118 | ||
| C/1999 H3 | 2000 04 19.91670 | 11 26 23.00 | +40 05 12.6 | 16.7 | N | 170 |
| C/1999 H3 | 2000 04 20.87432 | 11 24 46.97 | +39 56 09.3 | 15.9 | N | 170 |
| C/1999 H3 | 2000 04 20.92596 | 11 24 41.81 | +39 55 40.4 | 16.0 | N | 170 |