| Name | Date/time | RA | Dec | Magnitude | Filter | Site Code |
|---|---|---|---|---|---|---|
| C/1999 H1 | 1999 09 26.93296 | 01 57 55.20 | +57 04 24.9 | 145 | ||
| C/1999 H1 | 1999 09 26.94814 | 01 57 42.30 | +57 03 45.4 | 145 | ||
| C/1999 H1 | 1999 09 27.46635 | 01 50 27.47 | +56 40 03.1 | 848 | ||
| C/1999 H1 | 1999 09 27.46721 | 01 50 26.77 | +56 40 00.7 | 848 | ||
| C/1999 H1 | 1999 09 27.46806 | 01 50 26.12 | +56 39 58.8 | 848 | ||
| C/1999 H1 | 1999 09 27.54097 | 01 49 26.66 | +56 36 28.3 | 11.1 | T | 355 |
| C/1999 H1 | 1999 09 27.54291 | 01 49 25.07 | +56 36 22.7 | 355 | ||
| C/1999 H1 | 1999 09 27.54506 | 01 49 23.29 | +56 36 16.3 | 355 | ||
| C/1999 H1 | 1999 09 27.68126 | 01 47 29.83 | +56 29 41.6 | 402 | ||
| C/1999 H1 | 1999 09 27.68252 | 01 47 28.79 | +56 29 37.9 | 402 | ||
| C/1999 H1 | 1999 09 27.68378 | 01 47 27.75 | +56 29 34.3 | 402 | ||
| C/1999 H1 | 1999 09 28.37020 | 01 38 08.34 | +55 54 16.8 | 848 | ||
| C/1999 H1 | 1999 09 28.37107 | 01 38 07.73 | +55 54 14.8 | 848 | ||
| C/1999 H1 | 1999 09 28.37266 | 01 38 06.40 | +55 54 09.5 | 848 | ||
| C/1999 H1 | 1999 09 28.47225 | 01 36 47.23 | +55 48 43.7 | 12.4 | T | 351 |
| C/1999 H1 | 1999 09 28.47620 | 01 36 43.94 | +55 48 30.4 | 351 | ||
| C/1999 H1 | 1999 09 28.47965 | 01 36 41.10 | +55 48 19.7 | 351 | ||
| C/1999 H1 | 1999 09 28.70904 | 01 33 36.93 | +55 35 46.7 | 349 | ||
| C/1999 H1 | 1999 09 28.71115 | 01 33 35.21 | +55 35 39.0 | 349 | ||
| C/1999 H1 | 1999 09 29.01745 | 01 29 34.01 | +55 18 16.7 | 945 |