| Name | Date/time | RA | Dec | Magnitude | Filter | Site Code |
|---|---|---|---|---|---|---|
| C/1999 H1 | 1999 06 12.46503 | 08 23 37.95 | +13 41 39.6 | 9.7 | T | 349 |
| C/1999 H1 | 1999 06 12.46663 | 08 23 37.86 | +13 41 42.9 | 349 | ||
| C/1999 H1 | 1999 06 14.44556 | 08 22 01.17 | +15 03 31.2 | 897 | ||
| C/1999 H1 | 1999 06 14.44939 | 08 22 01.01 | +15 03 40.5 | 897 | ||
| C/1999 H1 | 1999 06 14.46535 | 08 22 00.29 | +15 04 19.6 | 8.9 | T | 351 |
| C/1999 H1 | 1999 06 14.46715 | 08 22 00.14 | +15 04 23.3 | 351 | ||
| C/1999 H1 | 1999 06 18.12289 | 08 19 02.00 | +17 24 48.4 | 9.2 | T | 649 |
| C/1999 H1 | 1999 06 18.12934 | 08 19 01.74 | +17 25 01.5 | 9.9 | N | 649 |
| C/1999 H1 | 1999 06 18.13170 | 08 19 01.63 | +17 25 07.0 | 9.9 | N | 649 |
| C/1999 H1 | 1999 06 19.33716 | 08 18 02.16 | +18 08 55.0 | 11.4 | N | 422 |
| C/1999 H1 | 1999 06 19.33776 | 08 18 02.14 | +18 08 56.1 | 11.4 | N | 422 |
| C/1999 H1 | 1999 06 22.46596 | 08 15 24.30 | +19 56 58.9 | 402 | ||
| C/1999 H1 | 1999 06 22.46653 | 08 15 24.29 | +19 57 00.2 | 402 | ||
| C/1999 H1 | 1999 06 22.46709 | 08 15 24.25 | +19 57 01.3 | 402 | ||
| C/1999 H1 | 1999 07 27.77921 | 07 35 07.10 | +35 22 53.5 | 349 | ||
| C/1999 H1 | 1999 07 27.78025 | 07 35 07.04 | +35 22 54.3 | 349 | ||
| C/1999 H1 | 1999 07 27.78074 | 07 35 07.00 | +35 22 54.8 | 349 | ||
| C/1999 H1 | 1999 07 29.77200 | 07 32 20.92 | +36 06 30.0 | 349 | ||
| C/1999 H1 | 1999 07 29.77479 | 07 32 20.76 | +36 06 33.9 | 349 | ||
| C/1999 H1 | 1999 07 29.78010 | 07 32 20.28 | +36 06 40.9 | 349 |