| Name | Date/time | RA | Dec | Magnitude | Filter | Site Code |
|---|---|---|---|---|---|---|
| C/1999 H3 | 1999 07 30.48281 | 14 45 44.33 | +49 53 27.3 | 349 | ||
| C/1999 H3 | 1999 07 30.48638 | 14 45 44.09 | +49 53 24.6 | 349 | ||
| C/1999 H3 | 1999 07 31.49068 | 14 44 19.84 | +49 36 44.1 | 349 | ||
| C/1999 H3 | 1999 07 31.49287 | 14 44 19.68 | +49 36 40.7 | 14.7 | T | 897 |
| C/1999 H3 | 1999 07 31.49547 | 14 44 19.55 | +49 36 37.7 | 349 | ||
| C/1999 H3 | 1999 07 31.49892 | 14 44 19.17 | +49 36 34.9 | 897 | ||
| C/1999 H3 | 1999 07 31.50896 | 14 44 18.35 | +49 36 24.9 | 349 | ||
| C/1999 H3 | 1999 08 01.15257 | 14 43 26.00 | +49 25 42.1 | 16.0 | T | 762 |
| C/1999 H3 | 1999 08 01.16468 | 14 43 25.02 | +49 25 31.0 | 15.9 | T | 762 |
| C/1999 H3 | 1999 08 01.17208 | 14 43 24.48 | +49 25 23.9 | 14.7 | T | 762 |
| C/1999 H3 | 1999 08 01.18065 | 14 43 23.87 | +49 25 14.9 | 15.5 | T | 762 |
| C/1999 H3 | 1999 08 02.15840 | 14 42 06.65 | +49 08 56.8 | 15.8 | T | 762 |
| C/1999 H3 | 1999 08 02.16418 | 14 42 06.26 | +49 08 50.9 | 16.2 | T | 762 |
| C/1999 H3 | 1999 08 03.15636 | 14 40 50.77 | +48 52 20.2 | 17.6 | T | 762 |
| C/1999 H3 | 1999 08 03.16367 | 14 40 50.25 | +48 52 12.4 | 17.1 | T | 762 |
| C/1999 H3 | 1999 08 03.17412 | 14 40 49.49 | +48 52 02.2 | 17.1 | T | 762 |
| C/1999 H3 | 1999 08 03.18184 | 14 40 48.88 | +48 51 55.0 | 17.1 | T | 762 |
| C/1999 H3 | 1999 08 04.85890 | 14 38 47.80 | +48 23 57.6 | 14.0 | T | 118 |
| C/1999 H3 | 1999 08 04.86007 | 14 38 47.75 | +48 23 56.7 | 118 | ||
| C/1999 H3 | 1999 08 04.86211 | 14 38 47.57 | +48 23 54.8 | 118 |