| Name | Date/time | RA | Dec | Magnitude | Filter | Site Code |
|---|---|---|---|---|---|---|
| C/1999 H3 | 1999 09 23.45029 | 14 18 08.44 | +36 31 52.5 | 897 | ||
| C/1999 H3 | 1999 09 24.74763 | 14 18 13.51 | +36 17 40.4 | 16.4 | T | 461 |
| C/1999 H3 | 1999 09 27.43299 | 14 18 26.99 | +35 49 01.8 | 867 | ||
| C/1999 H3 | 1999 09 27.43437 | 14 18 27.00 | +35 49 01.1 | 867 | ||
| C/1999 H3 | 1999 09 27.43576 | 14 18 27.01 | +35 49 00.1 | 867 | ||
| C/1999 H3 | 1999 09 29.41491 | 14 18 39.62 | +35 28 35.0 | 15.4 | T | 402 |
| C/1999 H3 | 1999 09 29.41617 | 14 18 39.65 | +35 28 34.1 | 402 | ||
| C/1999 H3 | 1999 09 29.41743 | 14 18 39.66 | +35 28 33.3 | 402 | ||
| C/1999 H3 | 1999 10 21.40519 | 14 22 47.99 | +32 22 57.0 | 14.5 | T | 402 |
| C/1999 H3 | 1999 10 21.40645 | 14 22 47.92 | +32 22 55.4 | 402 | ||
| C/1999 H3 | 1999 10 21.40897 | 14 22 47.99 | +32 22 53.6 | 402 | ||
| C/1999 H3 | 1999 12 07.81782 | 14 32 30.00 | +30 16 00.4 | 15.1 | T | 897 |
| C/1999 H3 | 1999 12 07.82655 | 14 32 29.99 | +30 16 01.0 | 897 | ||
| C/1999 H3 | 1999 12 09.82145 | 14 32 37.13 | +30 19 32.6 | 349 | ||
| C/1999 H3 | 1999 12 09.82679 | 14 32 37.09 | +30 19 34.1 | 349 | ||
| C/1999 H3 | 1999 12 09.82968 | 14 32 37.08 | +30 19 34.0 | 15.2 | T | 349 |
| C/1999 H3 | 1999 12 15.86128 | 14 32 41.67 | +30 34 55.6 | 14.6 | T | 360 |
| C/1999 H3 | 1999 12 15.86406 | 14 32 41.67 | +30 34 56.2 | 360 | ||
| C/1999 H3 | 1999 12 25.84007 | 14 31 42.52 | +31 15 43.9 | 14.9 | T | 349 |
| C/1999 H3 | 1999 12 25.86176 | 14 31 42.32 | +31 15 50.9 | 349 |