| Name | Date/time | RA | Dec | Magnitude | Filter | Site Code |
|---|---|---|---|---|---|---|
| C/1999 H1 | 1999 08 22.74998 | 06 49 11.01 | +45 38 25.4 | 349 | ||
| C/1999 H1 | 1999 08 22.75376 | 06 49 10.40 | +45 38 30.7 | 349 | ||
| C/1999 H1 | 1999 08 22.77440 | 06 49 07.19 | +45 39 05.5 | 402 | ||
| C/1999 H1 | 1999 08 22.77566 | 06 49 07.00 | +45 39 07.8 | 402 | ||
| C/1999 H1 | 1999 08 22.77692 | 06 49 06.80 | +45 39 10.0 | 402 | ||
| C/1999 H1 | 1999 08 23.01932 | 06 48 28.62 | +45 45 58.8 | 118 | ||
| C/1999 H1 | 1999 08 23.04220 | 06 48 24.95 | +45 46 38.0 | 9.4 | T | 118 |
| C/1999 H1 | 1999 08 23.13381 | 06 48 10.43 | +45 49 15.5 | 470 | ||
| C/1999 H1 | 1999 08 23.13721 | 06 48 09.86 | +45 49 21.4 | 470 | ||
| C/1999 H1 | 1999 08 23.14181 | 06 48 09.15 | +45 49 29.5 | 470 | ||
| C/1999 H1 | 1999 08 25.02375 | 06 42 55.74 | +46 43 50.0 | 118 | ||
| C/1999 H1 | 1999 08 25.02579 | 06 42 55.39 | +46 43 53.4 | 118 | ||
| C/1999 H1 | 1999 08 28.76179 | 06 30 55.85 | +48 37 50.9 | 352 | ||
| C/1999 H1 | 1999 08 28.76932 | 06 30 54.10 | +48 38 04.6 | 352 | ||
| C/1999 H1 | 1999 08 29.03311 | 06 29 57.28 | +48 46 23.1 | 11.3 | T | 628 |
| C/1999 H1 | 1999 08 29.04284 | 06 29 55.38 | +48 46 42.5 | 11.5 | T | 628 |
| C/1999 H1 | 1999 08 29.05881 | 06 29 51.92 | +48 47 12.5 | 11.6 | T | 628 |
| C/1999 H1 | 1999 08 29.06923 | 06 29 49.69 | +48 47 32.1 | 11.3 | T | 628 |
| C/1999 H1 | 1999 08 29.68134 | 06 27 34.97 | +49 07 04.0 | 402 | ||
| C/1999 H1 | 1999 08 29.68260 | 06 27 34.70 | +49 07 06.6 | 402 |