| Name | Date/time | RA | Dec | Magnitude | Filter | Site Code |
|---|---|---|---|---|---|---|
| C/1999 H1 | 1999 09 22.39250 | 03 03 53.25 | +59 10 20.7 | 10.3 | T | 848 |
| C/1999 H1 | 1999 09 23.04377 | 02 54 22.57 | +59 01 20.3 | 12.2 | T | 118 |
| C/1999 H1 | 1999 09 23.05004 | 02 54 17.00 | +59 01 13.8 | 12.3 | T | 118 |
| C/1999 H1 | 1999 09 23.49390 | 02 47 47.46 | +58 53 17.9 | 349 | ||
| C/1999 H1 | 1999 09 23.49608 | 02 47 45.51 | +58 53 15.8 | 349 | ||
| C/1999 H1 | 1999 09 23.54909 | 02 46 58.79 | +58 52 15.9 | 897 | ||
| C/1999 H1 | 1999 09 23.57045 | 02 46 39.85 | +58 51 51.2 | 897 | ||
| C/1999 H1 | 1999 09 23.61573 | 02 45 59.86 | +58 50 57.6 | 903 | ||
| C/1999 H1 | 1999 09 23.62211 | 02 45 54.23 | +58 50 49.4 | 903 | ||
| C/1999 H1 | 1999 09 23.62858 | 02 45 48.55 | +58 50 41.0 | 903 | ||
| C/1999 H1 | 1999 09 23.86441 | 02 42 20.82 | +58 45 41.2 | 14.0 | N | 461 |
| C/1999 H1 | 1999 09 23.86618 | 02 42 19.24 | +58 45 38.9 | 461 | ||
| C/1999 H1 | 1999 09 23.86917 | 02 42 16.63 | +58 45 35.2 | 461 | ||
| C/1999 H1 | 1999 09 23.87028 | 02 42 15.60 | +58 45 33.6 | 461 | ||
| C/1999 H1 | 1999 09 24.89955 | 02 27 10.15 | +58 19 07.9 | 046 | ||
| C/1999 H1 | 1999 09 24.90046 | 02 27 09.35 | +58 19 06.3 | 046 | ||
| C/1999 H1 | 1999 09 24.90125 | 02 27 08.66 | +58 19 04.8 | 046 | ||
| C/1999 H1 | 1999 09 24.90203 | 02 27 07.96 | +58 19 03.6 | 046 | ||
| C/1999 H1 | 1999 09 24.90443 | 02 27 05.85 | +58 18 59.4 | 046 | ||
| C/1999 H1 | 1999 09 25.17277 | 02 23 11.05 | +58 10 49.4 | 14.4 | T | 750 |
