| Name | Date/time | RA | Dec | Magnitude | Filter | Site Code |
|---|---|---|---|---|---|---|
| C/1999 H1 | 1999 10 02.09319 | 00 52 15.25 | +51 54 47.0 | 12.8 | T | 468 |
| C/1999 H1 | 1999 10 02.58711 | 00 46 50.91 | +51 17 57.3 | 349 | ||
| C/1999 H1 | 1999 10 02.58812 | 00 46 50.20 | +51 17 52.8 | 349 | ||
| C/1999 H1 | 1999 10 02.59262 | 00 46 47.30 | +51 17 32.5 | 349 | ||
| C/1999 H1 | 1999 10 02.85321 | 00 44 00.15 | +50 57 35.5 | 12.1 | T | 057 |
| C/1999 H1 | 1999 10 02.85699 | 00 43 57.55 | +50 57 22.0 | 12.5 | T | 057 |
| C/1999 H1 | 1999 10 02.86037 | 00 43 55.52 | +50 57 06.0 | 057 | ||
| C/1999 H1 | 1999 10 02.86279 | 00 43 53.99 | +50 56 55.3 | 12.3 | T | 057 |
| C/1999 H1 | 1999 10 02.86388 | 00 43 53.38 | +50 56 49.5 | 12.4 | T | 057 |
| C/1999 H1 | 1999 10 02.86740 | 00 43 51.26 | +50 56 33.6 | 12.2 | T | 057 |
| C/1999 H1 | 1999 10 02.86994 | 00 43 49.26 | +50 56 19.8 | 057 | ||
| C/1999 H1 | 1999 10 02.87101 | 00 43 48.64 | +50 56 17.0 | 12.1 | T | 057 |
| C/1999 H1 | 1999 10 02.87207 | 00 43 47.96 | +50 56 12.1 | 12.3 | T | 057 |
| C/1999 H1 | 1999 10 02.87463 | 00 43 46.47 | +50 56 01.3 | 057 | ||
| C/1999 H1 | 1999 10 02.87566 | 00 43 45.64 | +50 55 56.9 | 12.5 | T | 057 |
| C/1999 H1 | 1999 10 02.87678 | 00 43 45.01 | +50 55 49.7 | 12.5 | T | 057 |
| C/1999 H1 | 1999 10 03.12802 | 00 41 06.59 | +50 36 23.4 | 642 | ||
| C/1999 H1 | 1999 10 03.15649 | 00 40 48.81 | +50 34 11.5 | 642 | ||
| C/1999 H1 | 1999 10 03.65127 | 00 35 43.25 | +49 55 23.5 | 402 | ||
| C/1999 H1 | 1999 10 03.65253 | 00 35 42.49 | +49 55 17.8 | 402 |