| Name | Date/time | RA | Dec | Magnitude | Filter | Site Code |
|---|---|---|---|---|---|---|
| C/1999 H1 | 1999 08 11.74918 | 07 12 22.66 | +40 56 35.4 | 8.1 | T | 355 |
| C/1999 H1 | 1999 08 11.75163 | 07 12 22.47 | +40 56 38.6 | 355 | ||
| C/1999 H1 | 1999 08 11.75317 | 07 12 22.28 | +40 56 41.0 | 355 | ||
| C/1999 H1 | 1999 08 12.79436 | 07 10 31.67 | +41 21 21.2 | 372 | ||
| C/1999 H1 | 1999 08 12.80087 | 07 10 30.92 | +41 21 30.3 | 402 | ||
| C/1999 H1 | 1999 08 12.80178 | 07 10 30.82 | +41 21 31.6 | 402 | ||
| C/1999 H1 | 1999 08 12.80270 | 07 10 30.72 | +41 21 33.0 | 402 | ||
| C/1999 H1 | 1999 08 14.06997 | 07 08 11.51 | +41 52 00.6 | 118 | ||
| C/1999 H1 | 1999 08 14.07206 | 07 08 11.30 | +41 52 04.3 | 9.3 | T | 118 |
| C/1999 H1 | 1999 08 18.74493 | 06 58 45.12 | +43 49 43.2 | 897 | ||
| C/1999 H1 | 1999 08 18.75393 | 06 58 43.97 | +43 49 57.3 | 897 | ||
| C/1999 H1 | 1999 08 18.77695 | 06 58 40.66 | +43 50 34.0 | 349 | ||
| C/1999 H1 | 1999 08 18.79045 | 06 58 38.83 | +43 50 55.7 | 349 | ||
| C/1999 H1 | 1999 08 18.79284 | 06 58 38.54 | +43 50 59.5 | 349 | ||
| C/1999 H1 | 1999 08 21.09008 | 06 53 20.94 | +44 52 22.2 | 046 | ||
| C/1999 H1 | 1999 08 21.09178 | 06 53 20.69 | +44 52 25.1 | 046 | ||
| C/1999 H1 | 1999 08 21.09788 | 06 53 19.80 | +44 52 35.1 | 046 | ||
| C/1999 H1 | 1999 08 21.09928 | 06 53 19.60 | +44 52 37.6 | 046 | ||
| C/1999 H1 | 1999 08 21.72326 | 06 51 47.80 | +45 09 46.7 | 8.0 | T | 372 |
| C/1999 H1 | 1999 08 21.78942 | 06 51 37.85 | +45 11 38.1 | 349 |