| Name | Date/time | RA | Dec | Magnitude | Filter | Site Code |
|---|---|---|---|---|---|---|
| C/1999 H1 | 1999 10 20.45565 | 22 57 33.81 | +27 09 12.9 | 402 | ||
| C/1999 H1 | 1999 10 20.45691 | 22 57 33.58 | +27 09 07.8 | 402 | ||
| C/1999 H1 | 1999 10 20.50762 | 22 57 24.57 | +27 05 40.5 | 355 | ||
| C/1999 H1 | 1999 10 20.50843 | 22 57 24.41 | +27 05 37.3 | 355 | ||
| C/1999 H1 | 1999 10 20.59341 | 22 57 09.37 | +26 59 51.8 | 13.0 | T | 352 |
| C/1999 H1 | 1999 10 20.59689 | 22 57 08.82 | +26 59 36.8 | 352 | ||
| C/1999 H1 | 1999 10 20.67531 | 22 56 54.98 | +26 54 17.1 | 349 | ||
| C/1999 H1 | 1999 10 20.67856 | 22 56 54.43 | +26 54 03.7 | 349 | ||
| C/1999 H1 | 1999 10 20.67985 | 22 56 54.17 | +26 53 58.2 | 349 | ||
| C/1999 H1 | 1999 10 21.44418 | 22 54 46.40 | +26 03 04.2 | 11.4 | T | 900 |
| C/1999 H1 | 1999 10 21.45557 | 22 54 44.55 | +26 02 18.8 | 900 | ||
| C/1999 H1 | 1999 10 22.13575 | 22 52 56.28 | +25 18 11.2 | 16.0 | N | 853 |
| C/1999 H1 | 1999 10 22.13653 | 22 52 56.15 | +25 18 08.4 | 16.0 | N | 853 |
| C/1999 H1 | 1999 10 22.13706 | 22 52 56.07 | +25 18 06.3 | 16.0 | N | 853 |
| C/1999 H1 | 1999 10 23.14583 | 22 50 25.28 | +24 14 38.2 | 720 | ||
| C/1999 H1 | 1999 10 23.15155 | 22 50 24.56 | +24 14 13.5 | 642 | ||
| C/1999 H1 | 1999 10 23.15625 | 22 50 23.74 | +24 13 58.3 | 720 | ||
| C/1999 H1 | 1999 10 23.15707 | 22 50 23.81 | +24 13 51.8 | 642 | ||
| C/1999 H1 | 1999 10 23.15972 | 22 50 23.21 | +24 13 45.8 | 720 | ||
| C/1999 H1 | 1999 10 23.16319 | 22 50 22.77 | +24 13 32.1 | 720 |