| Name | Date/time | RA | Dec | Magnitude | Filter | Site Code |
|---|---|---|---|---|---|---|
| C/1999 S4 | 2000 01 08.50317 | 02 03 01.72 | +31 07 32.8 | 14.7 | T | 351 |
| C/1999 S4 | 2000 01 08.50884 | 02 03 01.06 | +31 07 28.8 | 351 | ||
| C/1999 S4 | 2000 01 08.51642 | 02 03 00.63 | +31 07 24.9 | 351 | ||
| C/1999 S4 | 2000 01 09.20200 | 02 02 02.72 | +31 00 48.2 | 16.1 | T | 750 |
| C/1999 S4 | 2000 01 09.21256 | 02 02 01.81 | +31 00 41.8 | 16.1 | T | 750 |
| C/1999 S4 | 2000 01 09.22313 | 02 02 00.94 | +31 00 35.4 | 16.1 | T | 750 |
| C/1999 S4 | 2000 01 09.80574 | 02 01 13.28 | +30 55 04.2 | 958 | ||
| C/1999 S4 | 2000 01 09.86757 | 02 01 07.84 | +30 54 26.0 | 958 | ||
| C/1999 S4 | 2000 01 10.78266 | 01 59 54.02 | +30 45 46.6 | 958 | ||
| C/1999 S4 | 2000 01 10.79524 | 01 59 52.98 | +30 45 39.3 | 958 | ||
| C/1999 S4 | 2000 01 10.81748 | 01 59 51.18 | +30 45 26.5 | 958 | ||
| C/1999 S4 | 2000 01 12.81700 | 01 57 16.27 | +30 26 44.0 | 15.1 | T | 118 |
| C/1999 S4 | 2000 01 12.85385 | 01 57 13.43 | +30 26 23.2 | 15.1 | T | 118 |
| C/1999 S4 | 2000 01 13.71052 | 01 56 09.83 | +30 18 30.2 | 15.5 | N | 046 |
| C/1999 S4 | 2000 01 13.71174 | 01 56 09.74 | +30 18 29.7 | 13.9 | T | 046 |
| C/1999 S4 | 2000 01 13.71376 | 01 56 09.61 | +30 18 28.7 | 046 | ||
| C/1999 S4 | 2000 01 13.71588 | 01 56 09.46 | +30 18 27.2 | 046 | ||
| C/1999 S4 | 2000 01 14.57670 | 01 55 07.07 | +30 10 36.1 | 15.2 | T | 903 |
| C/1999 S4 | 2000 01 14.59118 | 01 55 06.01 | +30 10 29.5 | 903 | ||
| C/1999 S4 | 2000 01 14.77502 | 01 54 53.23 | +30 08 49.7 | 958 |