| Name | Date/time | RA | Dec | Magnitude | Filter | Site Code |
|---|---|---|---|---|---|---|
| C/1999 H1 | 1999 04 24.15738 | 11 43 06.66 | -63 38 12.1 | 12.5 | N | 859 |
| C/1999 H1 | 1999 04 24.37569 | 11 39 50.51 | -63 22 07.8 | 13.3 | N | 430 |
| C/1999 H1 | 1999 04 24.40167 | 11 39 26.82 | -63 20 12.8 | 13.0 | N | 428 |
| C/1999 H1 | 1999 04 24.40236 | 11 39 26.21 | -63 20 09.8 | 13.4 | N | 428 |
| C/1999 H1 | 1999 04 24.45278 | 11 38 40.36 | -63 16 22.8 | 13.3 | N | 430 |
| C/1999 H1 | 1999 04 24.55870 | 11 37 04.46 | -63 08 19.8 | 10.8 | T | 429 |
| C/1999 H1 | 1999 04 24.57222 | 11 36 52.31 | -63 07 17.3 | 10.8 | T | 429 |
| C/1999 H1 | 1999 04 25.20977 | 11 27 32.85 | -62 16 40.9 | 12.3 | N | 859 |
| C/1999 H1 | 1999 04 25.21113 | 11 27 31.62 | -62 16 33.8 | 12.2 | N | 859 |
| C/1999 H1 | 1999 04 25.21315 | 11 27 29.87 | -62 16 23.8 | 12.3 | N | 859 |
| C/1999 H1 | 1999 04 25.50142 | 11 23 26.14 | -61 52 23.1 | 11.2 | N | 321 |
| C/1999 H1 | 1999 04 25.50456 | 11 23 23.31 | -61 52 07.8 | 11.1 | N | 321 |
| C/1999 H1 | 1999 04 25.50527 | 11 23 22.95 | -61 52 04.4 | 11.1 | N | 321 |
| C/1999 H1 | 1999 04 25.50596 | 11 23 22.43 | -61 52 01.3 | 11.1 | N | 321 |
| C/1999 H1 | 1999 04 25.50665 | 11 23 21.83 | -61 51 57.2 | 11.0 | N | 321 |
| C/1999 H1 | 1999 04 25.50735 | 11 23 21.14 | -61 51 53.3 | 11.2 | N | 321 |
| C/1999 H1 | 1999 04 25.50804 | 11 23 20.58 | -61 51 50.5 | 11.1 | N | 321 |
| C/1999 H1 | 1999 04 25.50874 | 11 23 19.82 | -61 51 46.8 | 11.1 | N | 321 |
| C/1999 H1 | 1999 04 25.50943 | 11 23 19.31 | -61 51 43.2 | 11.2 | N | 321 |
| C/1999 H1 | 1999 04 25.51082 | 11 23 18.09 | -61 51 36.0 | 11.1 | N | 321 |