| Name | Date/time | RA | Dec | Magnitude | Filter | Site Code |
|---|---|---|---|---|---|---|
| C/1999 H3 | 1999 06 24.86185 | 16 14 55.17 | +57 38 57.1 | 118 | ||
| C/1999 H3 | 1999 06 29.90008 | 15 57 26.98 | +57 01 51.5 | 14.8 | T | 118 |
| C/1999 H3 | 1999 06 29.90626 | 15 57 25.71 | +57 01 48.1 | 118 | ||
| C/1999 H3 | 1999 06 30.15915 | 15 56 35.38 | +56 59 34.8 | 16.0 | T | 762 |
| C/1999 H3 | 1999 06 30.18059 | 15 56 31.09 | +56 59 23.6 | 16.5 | T | 762 |
| C/1999 H3 | 1999 06 30.18329 | 15 56 30.49 | +56 59 20.8 | 16.8 | T | 762 |
| C/1999 H3 | 1999 06 30.19843 | 15 56 27.44 | +56 59 14.4 | 15.7 | T | 762 |
| C/1999 H3 | 1999 06 30.25882 | 15 56 15.45 | +56 58 41.7 | 17.1 | T | 704 |
| C/1999 H3 | 1999 06 30.26907 | 15 56 13.39 | +56 58 36.0 | 704 | ||
| C/1999 H3 | 1999 06 30.27930 | 15 56 11.37 | +56 58 30.0 | 704 | ||
| C/1999 H3 | 1999 06 30.28950 | 15 56 09.29 | +56 58 24.3 | 704 | ||
| C/1999 H3 | 1999 06 30.29970 | 15 56 07.17 | +56 58 17.5 | 704 | ||
| C/1999 H3 | 1999 07 01.49987 | 15 52 12.13 | +56 47 08.7 | 14.3 | T | 355 |
| C/1999 H3 | 1999 07 01.50471 | 15 52 11.14 | +56 47 06.1 | 355 | ||
| C/1999 H3 | 1999 07 01.51005 | 15 52 10.07 | +56 47 02.7 | 355 | ||
| C/1999 H3 | 1999 07 01.90549 | 15 50 53.42 | +56 43 12.8 | 504 | ||
| C/1999 H3 | 1999 07 01.90728 | 15 50 53.07 | +56 43 10.8 | 504 | ||
| C/1999 H3 | 1999 07 01.91271 | 15 50 52.09 | +56 43 08.3 | 504 | ||
| C/1999 H3 | 1999 07 05.85975 | 15 38 42.38 | +56 00 42.0 | 118 | ||
| C/1999 H3 | 1999 07 05.86247 | 15 38 41.91 | +56 00 40.1 | 118 |
