| Name | Date/time | RA | Dec | Magnitude | Filter | Site Code |
|---|---|---|---|---|---|---|
| C/1999 H3 | 1999 06 17.91421 | 16 40 50.06 | +58 03 51.9 | 610 | ||
| C/1999 H3 | 1999 06 20.02931 | 16 32 46.64 | +57 59 45.9 | 15.2 | T | 071 |
| C/1999 H3 | 1999 06 20.03082 | 16 32 46.23 | +57 59 43.6 | 15.2 | T | 071 |
| C/1999 H3 | 1999 06 20.03163 | 16 32 46.09 | +57 59 43.7 | 15.1 | T | 071 |
| C/1999 H3 | 1999 06 20.03278 | 16 32 45.81 | +57 59 43.0 | 15.1 | T | 071 |
| C/1999 H3 | 1999 06 20.03396 | 16 32 45.58 | +57 59 43.3 | 15.1 | T | 071 |
| C/1999 H3 | 1999 06 20.52960 | 16 30 53.59 | +57 58 20.0 | 14.1 | T | 900 |
| C/1999 H3 | 1999 06 20.53836 | 16 30 51.61 | +57 58 18.3 | 900 | ||
| C/1999 H3 | 1999 06 20.92058 | 16 29 25.21 | +57 57 05.0 | 14.9 | T | 071 |
| C/1999 H3 | 1999 06 20.92318 | 16 29 24.75 | +57 57 05.0 | 14.8 | T | 071 |
| C/1999 H3 | 1999 06 20.92590 | 16 29 24.05 | +57 57 04.5 | 14.8 | T | 071 |
| C/1999 H3 | 1999 06 20.92708 | 16 29 23.77 | +57 57 04.2 | 14.8 | T | 071 |
| C/1999 H3 | 1999 06 20.92891 | 16 29 23.33 | +57 57 03.2 | 14.7 | T | 071 |
| C/1999 H3 | 1999 06 20.93082 | 16 29 22.91 | +57 57 03.6 | 14.7 | T | 071 |
| C/1999 H3 | 1999 06 21.63708 | 16 26 44.17 | +57 54 34.1 | 349 | ||
| C/1999 H3 | 1999 06 21.63880 | 16 26 43.73 | +57 54 34.5 | 14.6 | T | 349 |
| C/1999 H3 | 1999 06 22.28013 | 16 24 20.96 | +57 51 59.1 | 15.3 | T | 699 |
| C/1999 H3 | 1999 06 22.30049 | 16 24 16.48 | +57 51 52.9 | 699 | ||
| C/1999 H3 | 1999 06 22.32086 | 16 24 11.95 | +57 51 47.9 | 699 | ||
| C/1999 H3 | 1999 06 24.85745 | 16 14 56.13 | +57 38 58.7 | 118 |
