| Name | Date/time | RA | Dec | Magnitude | Filter | Site Code |
|---|---|---|---|---|---|---|
| C/1999 H1 | 1999 09 14.03418 | 04 49 44.68 | +57 37 11.0 | 610 | ||
| C/1999 H1 | 1999 09 14.03765 | 04 49 42.53 | +57 37 16.7 | 610 | ||
| C/1999 H1 | 1999 09 14.04112 | 04 49 40.37 | +57 37 22.3 | 610 | ||
| C/1999 H1 | 1999 09 14.04571 | 04 49 37.53 | +57 37 29.7 | 610 | ||
| C/1999 H1 | 1999 09 14.93723 | 04 40 17.70 | +58 00 53.2 | 11.2 | T | 057 |
| C/1999 H1 | 1999 09 14.93994 | 04 40 16.11 | +58 00 56.3 | 057 | ||
| C/1999 H1 | 1999 09 14.94118 | 04 40 15.27 | +58 00 57.5 | 11.6 | T | 057 |
| C/1999 H1 | 1999 09 14.94795 | 04 40 10.75 | +58 01 08.4 | 11.6 | T | 057 |
| C/1999 H1 | 1999 09 14.95015 | 04 40 09.52 | +58 01 12.0 | 057 | ||
| C/1999 H1 | 1999 09 14.95411 | 04 40 06.75 | +58 01 17.2 | 11.7 | T | 057 |
| C/1999 H1 | 1999 09 14.95617 | 04 40 05.42 | +58 01 20.6 | 057 | ||
| C/1999 H1 | 1999 09 14.95944 | 04 40 03.48 | +58 01 24.6 | 11.7 | T | 057 |
| C/1999 H1 | 1999 09 14.96120 | 04 40 02.29 | +58 01 27.9 | 11.8 | T | 057 |
| C/1999 H1 | 1999 09 14.96336 | 04 40 00.83 | +58 01 31.0 | 945 | ||
| C/1999 H1 | 1999 09 14.96411 | 04 40 00.28 | +58 01 33.1 | 057 | ||
| C/1999 H1 | 1999 09 14.96745 | 04 39 58.24 | +58 01 36.2 | 11.8 | T | 057 |
| C/1999 H1 | 1999 09 15.07480 | 04 38 48.32 | +58 04 21.6 | 13.2 | N | 629 |
| C/1999 H1 | 1999 09 15.12220 | 04 38 17.08 | +58 05 32.4 | 106 | ||
| C/1999 H1 | 1999 09 15.14344 | 04 38 03.32 | +58 06 03.7 | 046 | ||
| C/1999 H1 | 1999 09 15.14389 | 04 38 02.57 | +58 06 05.0 | 106 |