| Name | Date/time | RA | Dec | Magnitude | Filter | Site Code |
|---|---|---|---|---|---|---|
| C/1999 H1 | 1999 05 03.41452 | 09 59 42.58 | -46 58 21.0 | 423 | ||
| C/1999 H1 | 1999 05 03.42285 | 09 59 38.87 | -46 57 14.6 | 423 | ||
| C/1999 H1 | 1999 05 03.43742 | 09 59 32.21 | -46 55 17.1 | 423 | ||
| C/1999 H1 | 1999 05 04.36958 | 09 52 51.52 | -44 49 51.9 | 12.9 | T | 428 |
| C/1999 H1 | 1999 05 04.37065 | 09 52 51.05 | -44 49 43.4 | 13.0 | T | 428 |
| C/1999 H1 | 1999 05 04.37169 | 09 52 50.63 | -44 49 34.9 | 13.0 | T | 428 |
| C/1999 H1 | 1999 05 04.40514 | 09 52 36.56 | -44 45 02.0 | 423 | ||
| C/1999 H1 | 1999 05 04.41138 | 09 52 33.82 | -44 44 11.3 | 423 | ||
| C/1999 H1 | 1999 05 04.41763 | 09 52 31.34 | -44 43 20.3 | 423 | ||
| C/1999 H1 | 1999 05 04.42597 | 09 52 27.79 | -44 42 12.4 | 423 | ||
| C/1999 H1 | 1999 05 04.91240 | 09 49 12.35 | -43 35 55.7 | 10.2 | T | 860 |
| C/1999 H1 | 1999 05 04.91748 | 09 49 10.30 | -43 35 14.8 | 10.2 | T | 860 |
| C/1999 H1 | 1999 05 04.92396 | 09 49 07.68 | -43 34 21.8 | 10.3 | T | 860 |
| C/1999 H1 | 1999 05 04.92759 | 09 49 06.27 | -43 33 52.6 | 10.2 | T | 860 |
| C/1999 H1 | 1999 05 04.93035 | 09 49 05.20 | -43 33 30.3 | 10.2 | T | 860 |
| C/1999 H1 | 1999 05 04.93312 | 09 49 04.12 | -43 33 07.8 | 10.2 | T | 860 |
| C/1999 H1 | 1999 05 04.93573 | 09 49 03.05 | -43 32 46.6 | 10.2 | T | 860 |
| C/1999 H1 | 1999 05 05.45942 | 09 45 41.08 | -42 21 05.8 | 11.0 | T | 351 |
| C/1999 H1 | 1999 05 05.46413 | 09 45 39.31 | -42 20 25.9 | 351 | ||
| C/1999 H1 | 1999 05 05.46691 | 09 45 38.22 | -42 20 03.2 | 351 |