| Name | Date/time | RA | Dec | Magnitude | Filter | Site Code |
|---|---|---|---|---|---|---|
| C/1999 H1 | 1999 09 20.81936 | 03 26 26.09 | +59 20 27.0 | 349 | ||
| C/1999 H1 | 1999 09 20.87156 | 03 25 43.20 | +59 20 10.3 | 12.5 | T | 057 |
| C/1999 H1 | 1999 09 20.87255 | 03 25 42.19 | +59 20 16.1 | 12.4 | T | 057 |
| C/1999 H1 | 1999 09 20.87457 | 03 25 40.76 | +59 20 15.9 | 057 | ||
| C/1999 H1 | 1999 09 20.88227 | 03 25 34.18 | +59 20 11.2 | 12.4 | T | 057 |
| C/1999 H1 | 1999 09 20.88325 | 03 25 33.62 | +59 20 13.6 | 057 | ||
| C/1999 H1 | 1999 09 20.88442 | 03 25 32.10 | +59 20 15.5 | 12.3 | T | 057 |
| C/1999 H1 | 1999 09 20.88744 | 03 25 29.81 | +59 20 14.8 | 12.5 | T | 057 |
| C/1999 H1 | 1999 09 20.88900 | 03 25 28.58 | +59 20 16.7 | 057 | ||
| C/1999 H1 | 1999 09 20.89022 | 03 25 27.29 | +59 20 13.6 | 12.7 | T | 057 |
| C/1999 H1 | 1999 09 20.89396 | 03 25 23.76 | +59 20 14.0 | 12.1 | T | 057 |
| C/1999 H1 | 1999 09 20.89791 | 03 25 21.05 | +59 20 12.9 | 12.2 | T | 057 |
| C/1999 H1 | 1999 09 21.92927 | 03 10 36.43 | +59 14 57.4 | 13.0 | N | 610 |
| C/1999 H1 | 1999 09 21.93205 | 03 10 34.04 | +59 14 55.8 | 610 | ||
| C/1999 H1 | 1999 09 21.93483 | 03 10 31.64 | +59 14 54.3 | 610 | ||
| C/1999 H1 | 1999 09 21.93760 | 03 10 29.25 | +59 14 52.7 | 610 | ||
| C/1999 H1 | 1999 09 21.94038 | 03 10 26.85 | +59 14 51.2 | 610 | ||
| C/1999 H1 | 1999 09 21.94300 | 03 10 24.60 | +59 14 49.7 | 610 | ||
| C/1999 H1 | 1999 09 22.38921 | 03 03 56.07 | +59 10 22.9 | 10.3 | T | 848 |
| C/1999 H1 | 1999 09 22.39087 | 03 03 54.71 | +59 10 22.8 | 10.3 | T | 848 |