| Name | Date/time | RA | Dec | Magnitude | Filter | Site Code |
|---|---|---|---|---|---|---|
| C/1999 H1 | 1999 09 25.17903 | 02 23 05.52 | +58 10 37.8 | 14.3 | T | 750 |
| C/1999 H1 | 1999 09 25.18790 | 02 22 57.71 | +58 10 21.3 | 14.3 | T | 750 |
| C/1999 H1 | 1999 09 25.57630 | 02 17 19.10 | +57 57 37.5 | 349 | ||
| C/1999 H1 | 1999 09 25.58169 | 02 17 14.37 | +57 57 26.1 | 10.8 | T | 349 |
| C/1999 H1 | 1999 09 25.58657 | 02 17 10.09 | +57 57 16.5 | 349 | ||
| C/1999 H1 | 1999 09 25.97591 | 02 11 32.12 | +57 43 16.5 | 945 | ||
| C/1999 H1 | 1999 09 25.99355 | 02 11 17.59 | +57 42 39.0 | 945 | ||
| C/1999 H1 | 1999 09 26.63963 | 02 02 03.51 | +57 17 06.3 | 349 | ||
| C/1999 H1 | 1999 09 26.64733 | 02 01 56.91 | +57 16 47.2 | 11.2 | T | 349 |
| C/1999 H1 | 1999 09 26.64855 | 02 01 55.90 | +57 16 44.6 | 349 | ||
| C/1999 H1 | 1999 09 26.87135 | 01 58 47.52 | +57 07 07.0 | 145 | ||
| C/1999 H1 | 1999 09 26.90175 | 01 58 21.79 | +57 05 48.5 | 470 | ||
| C/1999 H1 | 1999 09 26.90306 | 01 58 20.63 | +57 05 45.3 | 470 | ||
| C/1999 H1 | 1999 09 26.90411 | 01 58 19.74 | +57 05 42.2 | 470 | ||
| C/1999 H1 | 1999 09 26.91140 | 01 58 13.69 | +57 05 22.6 | 470 | ||
| C/1999 H1 | 1999 09 26.91270 | 01 58 12.50 | +57 05 19.4 | 470 | ||
| C/1999 H1 | 1999 09 26.91438 | 01 58 10.85 | +57 05 13.7 | 145 | ||
| C/1999 H1 | 1999 09 26.91747 | 01 58 08.13 | +57 05 06.0 | 145 | ||
| C/1999 H1 | 1999 09 26.92392 | 01 58 02.73 | +57 04 48.8 | 145 | ||
| C/1999 H1 | 1999 09 26.92729 | 01 57 59.85 | +57 04 40.0 | 145 |