| Name | Date/time | RA | Dec | Magnitude | Filter | Site Code |
|---|---|---|---|---|---|---|
| C/1999 S4 | 1999 12 07.87401 | 03 05 15.73 | +35 53 33.4 | 610 | ||
| C/1999 S4 | 1999 12 08.06160 | 03 04 48.89 | +35 52 18.9 | 107 | ||
| C/1999 S4 | 1999 12 08.06417 | 03 04 48.42 | +35 52 17.2 | 107 | ||
| C/1999 S4 | 1999 12 08.06630 | 03 04 48.10 | +35 52 16.5 | 107 | ||
| C/1999 S4 | 1999 12 09.13416 | 03 02 15.99 | +35 45 03.0 | 15.4 | T | 294 |
| C/1999 S4 | 1999 12 09.17012 | 03 02 10.77 | +35 44 47.8 | 16.1 | T | 294 |
| C/1999 S4 | 1999 12 09.18519 | 03 02 08.53 | +35 44 41.3 | 16.1 | T | 294 |
| C/1999 S4 | 1999 12 09.58409 | 03 01 12.08 | +35 41 54.2 | 14.8 | T | 352 |
| C/1999 S4 | 1999 12 09.58756 | 03 01 11.63 | +35 41 53.1 | 352 | ||
| C/1999 S4 | 1999 12 09.61760 | 03 01 07.25 | +35 41 40.5 | 14.8 | T | 897 |
| C/1999 S4 | 1999 12 09.65708 | 03 01 01.61 | +35 41 23.4 | 897 | ||
| C/1999 S4 | 1999 12 10.47049 | 02 59 06.95 | +35 35 35.3 | 349 | ||
| C/1999 S4 | 1999 12 10.50353 | 02 59 02.27 | +35 35 20.3 | 14.6 | T | 349 |
| C/1999 S4 | 1999 12 10.50496 | 02 59 02.11 | +35 35 19.9 | 349 | ||
| C/1999 S4 | 1999 12 10.66310 | 02 58 39.71 | +35 34 09.7 | 15.1 | T | 903 |
| C/1999 S4 | 1999 12 10.66582 | 02 58 39.30 | +35 34 08.9 | 903 | ||
| C/1999 S4 | 1999 12 10.91277 | 02 58 04.66 | +35 32 19.8 | 15.2 | T | 504 |
| C/1999 S4 | 1999 12 10.91453 | 02 58 04.50 | +35 32 19.7 | 14.8 | T | 504 |
| C/1999 S4 | 1999 12 10.91612 | 02 58 04.21 | +35 32 18.4 | 15.5 | T | 504 |
| C/1999 S4 | 1999 12 10.91934 | 02 58 03.78 | +35 32 16.4 | 14.9 | T | 504 |
