| Name | Date/time | RA | Dec | Magnitude | Filter | Site Code |
|---|---|---|---|---|---|---|
| C/1999 H1 | 1999 05 23.80022 | 08 44 57.06 | -06 07 58.8 | 12.9 | N | 162 |
| C/1999 H1 | 1999 05 23.84284 | 08 44 52.60 | -06 04 18.8 | 12.9 | N | 162 |
| C/1999 H1 | 1999 05 24.17899 | 08 44 20.51 | -05 35 36.8 | 688 | ||
| C/1999 H1 | 1999 05 24.18003 | 08 44 20.43 | -05 35 31.9 | 688 | ||
| C/1999 H1 | 1999 05 24.83544 | 08 43 18.89 | -04 40 33.6 | 046 | ||
| C/1999 H1 | 1999 05 24.83590 | 08 43 18.84 | -04 40 31.6 | 046 | ||
| C/1999 H1 | 1999 05 24.83681 | 08 43 18.78 | -04 40 27.5 | 046 | ||
| C/1999 H1 | 1999 05 24.98722 | 08 43 05.12 | -04 27 51.7 | 834 | ||
| C/1999 H1 | 1999 05 29.45039 | 08 37 02.38 | +01 07 38.9 | 402 | ||
| C/1999 H1 | 1999 05 29.45096 | 08 37 02.35 | +01 07 41.3 | 402 | ||
| C/1999 H1 | 1999 05 29.45152 | 08 37 02.30 | +01 07 43.6 | 402 | ||
| C/1999 H1 | 1999 05 29.46535 | 08 37 01.31 | +01 08 41.7 | 900 | ||
| C/1999 H1 | 1999 05 29.46997 | 08 37 00.91 | +01 09 01.0 | 900 | ||
| C/1999 H1 | 1999 05 29.47300 | 08 37 00.70 | +01 09 12.2 | 9.3 | T | 351 |
| C/1999 H1 | 1999 05 29.48132 | 08 37 00.10 | +01 09 46.6 | 351 | ||
| C/1999 H1 | 1999 05 29.48483 | 08 36 59.87 | +01 10 01.2 | 351 | ||
| C/1999 H1 | 1999 05 30.79892 | 08 35 27.61 | +02 37 51.4 | 11.3 | N | 162 |
| C/1999 H1 | 1999 06 01.35709 | 08 33 44.63 | +04 16 33.2 | 12.9 | N | 428 |
| C/1999 H1 | 1999 06 01.38770 | 08 33 42.59 | +04 18 25.4 | 12.8 | N | 428 |
| C/1999 H1 | 1999 06 01.38882 | 08 33 42.51 | +04 18 29.7 | 12.6 | N | 428 |
