| Name | Date/time | RA | Dec | Magnitude | Filter | Site Code |
|---|---|---|---|---|---|---|
| C/1999 H1 | 1999 04 19.99405 | 12 51 49.66 | -67 17 57.8 | 10.3 | T | 860 |
| C/1999 H1 | 1999 04 20.00113 | 12 51 42.12 | -67 17 44.6 | 10.5 | T | 860 |
| C/1999 H1 | 1999 04 20.00903 | 12 51 33.99 | -67 17 29.6 | 10.0 | T | 860 |
| C/1999 H1 | 1999 04 20.02888 | 12 51 13.35 | -67 16 48.3 | 834 | ||
| C/1999 H1 | 1999 04 20.06601 | 12 50 34.56 | -67 15 34.5 | 834 | ||
| C/1999 H1 | 1999 04 20.13413 | 12 49 23.45 | -67 13 14.3 | 834 | ||
| C/1999 H1 | 1999 04 20.15615 | 12 49 00.76 | -67 12 28.6 | 834 | ||
| C/1999 H1 | 1999 04 20.16368 | 12 48 52.96 | -67 12 13.3 | 834 | ||
| C/1999 H1 | 1999 04 20.16515 | 12 48 51.26 | -67 12 10.5 | 834 | ||
| C/1999 H1 | 1999 04 20.19558 | 12 48 19.53 | -67 11 05.6 | 834 | ||
| C/1999 H1 | 1999 04 20.20558 | 12 48 08.90 | -67 10 44.1 | 844 | ||
| C/1999 H1 | 1999 04 20.20708 | 12 48 07.36 | -67 10 40.6 | 844 | ||
| C/1999 H1 | 1999 04 20.21760 | 12 47 56.22 | -67 10 19.4 | 844 | ||
| C/1999 H1 | 1999 04 20.21995 | 12 47 54.11 | -67 10 13.8 | 834 | ||
| C/1999 H1 | 1999 04 20.24654 | 12 47 26.48 | -67 09 16.5 | 834 | ||
| C/1999 H1 | 1999 04 20.28145 | 12 46 50.37 | -67 08 01.0 | 834 | ||
| C/1999 H1 | 1999 04 20.49490 | 12 43 10.91 | -67 00 13.1 | 423 | ||
| C/1999 H1 | 1999 04 20.53376 | 12 42 30.66 | -66 58 45.8 | 423 | ||
| C/1999 H1 | 1999 04 21.44912 | 12 26 54.60 | -66 19 55.1 | 9.3 | T | 428 |
| C/1999 H1 | 1999 04 21.44979 | 12 26 53.90 | -66 19 53.3 | 9.3 | T | 428 |