| Name | Date/time | RA | Dec | Magnitude | Filter | Site Code |
|---|---|---|---|---|---|---|
| C/1999 H1 | 1999 09 29.02804 | 01 29 25.31 | +55 17 37.9 | 945 | ||
| C/1999 H1 | 1999 09 29.03052 | 01 29 23.42 | +55 17 29.2 | 945 | ||
| C/1999 H1 | 1999 09 29.08123 | 01 28 44.84 | +55 14 29.7 | 15.5 | T | 750 |
| C/1999 H1 | 1999 09 29.09147 | 01 28 36.64 | +55 13 54.7 | 15.3 | T | 750 |
| C/1999 H1 | 1999 09 29.10251 | 01 28 28.20 | +55 13 17.3 | 15.6 | T | 750 |
| C/1999 H1 | 1999 09 29.65814 | 01 21 18.46 | +54 40 07.1 | 900 | ||
| C/1999 H1 | 1999 09 29.66631 | 01 21 12.24 | +54 39 37.1 | 900 | ||
| C/1999 H1 | 1999 09 29.93935 | 01 17 46.16 | +54 22 34.5 | 13.2 | N | 610 |
| C/1999 H1 | 1999 09 29.94213 | 01 17 44.07 | +54 22 24.0 | 610 | ||
| C/1999 H1 | 1999 09 29.94491 | 01 17 41.97 | +54 22 13.4 | 610 | ||
| C/1999 H1 | 1999 09 29.94769 | 01 17 39.87 | +54 22 02.9 | 610 | ||
| C/1999 H1 | 1999 09 29.95046 | 01 17 37.77 | +54 21 52.3 | 610 | ||
| C/1999 H1 | 1999 09 30.89455 | 01 06 05.21 | +53 19 51.2 | 12.2 | T | 057 |
| C/1999 H1 | 1999 09 30.89857 | 01 06 02.52 | +53 19 34.4 | 12.5 | T | 057 |
| C/1999 H1 | 1999 09 30.90385 | 01 05 59.03 | +53 19 12.8 | 057 | ||
| C/1999 H1 | 1999 09 30.91220 | 01 05 52.71 | +53 18 39.6 | 12.4 | T | 057 |
| C/1999 H1 | 1999 09 30.91737 | 01 05 49.03 | +53 18 15.0 | 12.4 | T | 057 |
| C/1999 H1 | 1999 09 30.91973 | 01 05 47.52 | +53 18 08.1 | 057 | ||
| C/1999 H1 | 1999 09 30.92256 | 01 05 45.16 | +53 17 56.7 | 12.5 | T | 057 |
| C/1999 H1 | 1999 09 30.92373 | 01 05 44.37 | +53 17 51.1 | 12.2 | T | 057 |