| Name | Date/time | RA | Dec | Magnitude | Filter | Site Code |
|---|---|---|---|---|---|---|
| C/1999 H1 | 1999 10 18.82441 | 23 02 38.41 | +29 03 21.2 | 13.4 | T | 113 |
| C/1999 H1 | 1999 10 19.11211 | 23 01 42.09 | +28 42 45.3 | 642 | ||
| C/1999 H1 | 1999 10 19.16133 | 23 01 32.55 | +28 39 15.7 | 642 | ||
| C/1999 H1 | 1999 10 19.16771 | 23 01 31.21 | +28 38 48.9 | 642 | ||
| C/1999 H1 | 1999 10 19.17149 | 23 01 30.58 | +28 38 33.1 | 642 | ||
| C/1999 H1 | 1999 10 19.78228 | 22 59 35.11 | +27 55 33.9 | 12.5 | T | 118 |
| C/1999 H1 | 1999 10 19.78949 | 22 59 33.75 | +27 55 03.7 | 046 | ||
| C/1999 H1 | 1999 10 19.79043 | 22 59 33.54 | +27 54 59.9 | 118 | ||
| C/1999 H1 | 1999 10 19.79115 | 22 59 33.44 | +27 54 56.7 | 046 | ||
| C/1999 H1 | 1999 10 19.79128 | 22 59 33.49 | +27 54 55.4 | 13.3 | T | 113 |
| C/1999 H1 | 1999 10 19.79198 | 22 59 33.41 | +27 54 52.7 | 13.3 | T | 113 |
| C/1999 H1 | 1999 10 19.79236 | 22 59 33.21 | +27 54 51.7 | 046 | ||
| C/1999 H1 | 1999 10 19.79267 | 22 59 33.17 | +27 54 49.8 | 13.4 | T | 113 |
| C/1999 H1 | 1999 10 19.79337 | 22 59 33.14 | +27 54 46.4 | 13.3 | T | 113 |
| C/1999 H1 | 1999 10 19.79406 | 22 59 33.01 | +27 54 43.7 | 13.3 | T | 113 |
| C/1999 H1 | 1999 10 19.79450 | 22 59 32.81 | +27 54 42.8 | 046 | ||
| C/1999 H1 | 1999 10 20.11456 | 22 58 34.83 | +27 32 31.8 | 642 | ||
| C/1999 H1 | 1999 10 20.11674 | 22 58 34.20 | +27 32 22.3 | 642 | ||
| C/1999 H1 | 1999 10 20.12373 | 22 58 32.96 | +27 31 52.7 | 642 | ||
| C/1999 H1 | 1999 10 20.45440 | 22 57 34.02 | +27 09 18.0 | 12.0 | T | 402 |