| Name | Date/time | RA | Dec | Magnitude | Filter | Site Code |
|---|---|---|---|---|---|---|
| C/1999 H1 | 1999 10 10.17068 | 23 42 53.04 | +40 40 29.8 | 642 | ||
| C/1999 H1 | 1999 10 10.17543 | 23 42 51.27 | +40 40 05.2 | 642 | ||
| C/1999 H1 | 1999 10 10.42340 | 23 41 18.14 | +40 18 38.4 | 349 | ||
| C/1999 H1 | 1999 10 10.42711 | 23 41 16.72 | +40 18 19.4 | 349 | ||
| C/1999 H1 | 1999 10 10.42897 | 23 41 16.03 | +40 18 09.6 | 349 | ||
| C/1999 H1 | 1999 10 10.52157 | 23 40 41.33 | +40 10 09.7 | 11.1 | T | 355 |
| C/1999 H1 | 1999 10 10.52353 | 23 40 40.60 | +40 09 59.5 | 355 | ||
| C/1999 H1 | 1999 10 10.52692 | 23 40 39.35 | +40 09 41.6 | 355 | ||
| C/1999 H1 | 1999 10 10.89581 | 23 38 24.97 | +39 37 50.0 | 945 | ||
| C/1999 H1 | 1999 10 10.89625 | 23 38 24.84 | +39 37 47.0 | 945 | ||
| C/1999 H1 | 1999 10 10.89742 | 23 38 24.26 | +39 37 39.9 | 945 | ||
| C/1999 H1 | 1999 10 10.90126 | 23 38 22.95 | +39 37 19.9 | 945 | ||
| C/1999 H1 | 1999 10 11.48204 | 23 34 58.85 | +38 47 25.9 | 897 | ||
| C/1999 H1 | 1999 10 11.49510 | 23 34 54.35 | +38 46 19.7 | 349 | ||
| C/1999 H1 | 1999 10 11.49647 | 23 34 53.84 | +38 46 12.3 | 349 | ||
| C/1999 H1 | 1999 10 11.49801 | 23 34 53.33 | +38 46 04.8 | 349 | ||
| C/1999 H1 | 1999 10 11.49884 | 23 34 53.02 | +38 45 59.9 | 897 | ||
| C/1999 H1 | 1999 10 11.84370 | 23 32 56.01 | +38 16 30.4 | 13.2 | T | 071 |
| C/1999 H1 | 1999 10 11.84587 | 23 32 55.43 | +38 16 18.1 | 12.4 | T | 071 |
| C/1999 H1 | 1999 10 11.84815 | 23 32 54.43 | +38 16 08.2 | 13.4 | T | 071 |