| Name | Date/time | RA | Dec | Magnitude | Filter | Site Code |
|---|---|---|---|---|---|---|
| C/1999 H3 | 2001 03 02.27941 | 10 04 16.17 | +09 18 51.7 | 16.6 | T | 704 |
| C/1999 H3 | 2001 03 02.29251 | 10 04 15.37 | +09 18 52.1 | 16.3 | T | 704 |
| C/1999 H3 | 2001 03 05.90753 | 10 00 45.82 | +09 20 40.1 | 15.9 | T | 170 |
| C/1999 H3 | 2001 03 05.91286 | 10 00 45.65 | +09 20 39.8 | 16.4 | T | 170 |
| C/1999 H3 | 2001 03 13.55484 | 09 53 44.85 | +09 23 25.4 | 16.3 | T | 360 |
| C/1999 H3 | 2001 03 13.55735 | 09 53 44.72 | +09 23 25.5 | 360 | ||
| C/1999 H3 | 2001 03 14.18284 | 09 53 11.90 | +09 23 33.8 | 15.9 | T | 699 |
| C/1999 H3 | 2001 03 14.21574 | 09 53 10.17 | +09 23 34.2 | 699 | ||
| C/1999 H3 | 2001 03 14.24866 | 09 53 08.40 | +09 23 35.4 | 699 | ||
| C/1999 H3 | 2001 03 14.28139 | 09 53 06.68 | +09 23 36.1 | 699 | ||
| C/1999 H3 | 2001 03 18.12544 | 09 49 49.70 | +09 24 16.3 | 18.0 | T | 927 |
| C/1999 H3 | 2001 03 18.14865 | 09 49 48.84 | +09 24 14.2 | 18.6 | T | 927 |
| C/1999 H3 | 2001 03 18.17201 | 09 49 47.61 | +09 24 16.5 | 18.0 | T | 927 |
| C/1999 H3 | 2001 03 18.24116 | 09 49 44.33 | +09 24 17.3 | 18.3 | T | 704 |
| C/1999 H3 | 2001 03 18.25409 | 09 49 43.67 | +09 24 17.7 | 18.9 | T | 704 |
| C/1999 H3 | 2001 03 18.26702 | 09 49 42.94 | +09 24 18.2 | 18.4 | T | 704 |
| C/1999 H3 | 2001 03 18.27852 | 09 49 42.46 | +09 24 17.2 | 17.9 | T | 608 |
| C/1999 H3 | 2001 03 18.27995 | 09 49 42.28 | +09 24 17.2 | 19.0 | T | 704 |
| C/1999 H3 | 2001 03 18.28897 | 09 49 41.88 | +09 24 16.7 | 17.7 | T | 608 |
| C/1999 H3 | 2001 03 18.29291 | 09 49 41.63 | +09 24 18.4 | 18.5 | T | 704 |
