| Name | Date/time | RA | Dec | Magnitude | Filter | Site Code |
|---|---|---|---|---|---|---|
| C/1999 H1 | 1999 10 23.16667 | 22 50 22.25 | +24 13 20.2 | 720 | ||
| C/1999 H1 | 1999 10 23.46370 | 22 49 40.03 | +23 55 06.6 | 897 | ||
| C/1999 H1 | 1999 10 23.47223 | 22 49 38.84 | +23 54 35.5 | 897 | ||
| C/1999 H1 | 1999 10 23.61595 | 22 49 18.31 | +23 45 49.6 | 12.5 | T | 347 |
| C/1999 H1 | 1999 10 23.62022 | 22 49 17.75 | +23 45 34.6 | 12.3 | T | 347 |
| C/1999 H1 | 1999 10 23.62322 | 22 49 17.25 | +23 45 22.9 | 12.3 | T | 347 |
| C/1999 H1 | 1999 10 24.44744 | 22 47 26.69 | +22 56 11.6 | 349 | ||
| C/1999 H1 | 1999 10 24.45104 | 22 47 26.18 | +22 55 58.3 | 349 | ||
| C/1999 H1 | 1999 10 24.45310 | 22 47 25.93 | +22 55 51.2 | 12.9 | T | 349 |
| C/1999 H1 | 1999 10 25.09304 | 22 46 04.22 | +22 18 42.1 | 14.9 | T | 750 |
| C/1999 H1 | 1999 10 25.19118 | 22 45 51.86 | +22 13 04.7 | 14.8 | T | 750 |
| C/1999 H1 | 1999 10 25.20392 | 22 45 50.23 | +22 12 21.3 | 14.8 | T | 750 |
| C/1999 H1 | 1999 10 27.13407 | 22 42 08.47 | +20 26 17.0 | 642 | ||
| C/1999 H1 | 1999 10 27.13929 | 22 42 07.83 | +20 26 01.8 | 642 | ||
| C/1999 H1 | 1999 10 27.14086 | 22 42 07.65 | +20 25 54.8 | 642 | ||
| C/1999 H1 | 1999 10 27.83667 | 22 40 54.92 | +19 49 40.8 | 15.3 | N | 461 |
| C/1999 H1 | 1999 10 27.83787 | 22 40 54.80 | +19 49 37.3 | 461 | ||
| C/1999 H1 | 1999 10 27.83896 | 22 40 54.70 | +19 49 33.7 | 461 | ||
| C/1999 H1 | 1999 10 27.83998 | 22 40 54.57 | +19 49 30.6 | 461 | ||
| C/1999 H1 | 1999 10 27.84722 | 22 40 53.89 | +19 49 08.2 | 046 |
