| Name | Date/time | RA | Dec | Magnitude | Filter | Site Code |
|---|---|---|---|---|---|---|
| C/1999 S4 | 2000 01 24.83197 | 01 44 45.92 | +28 44 31.9 | 14.9 | N | 170 |
| C/1999 S4 | 2000 01 25.49215 | 01 44 13.04 | +28 39 30.6 | 900 | ||
| C/1999 S4 | 2000 01 25.50133 | 01 44 12.59 | +28 39 25.8 | 14.8 | T | 900 |
| C/1999 S4 | 2000 01 25.78400 | 01 43 59.06 | +28 37 19.1 | 958 | ||
| C/1999 S4 | 2000 01 25.80674 | 01 43 57.90 | +28 37 08.7 | 958 | ||
| C/1999 S4 | 2000 01 25.83524 | 01 43 56.36 | +28 36 54.5 | 14.4 | T | 540 |
| C/1999 S4 | 2000 01 25.83704 | 01 43 56.35 | +28 36 54.1 | 540 | ||
| C/1999 S4 | 2000 01 25.83883 | 01 43 56.21 | +28 36 53.1 | 540 | ||
| C/1999 S4 | 2000 01 26.42719 | 01 43 28.07 | +28 32 29.8 | 14.9 | T | 402 |
| C/1999 S4 | 2000 01 26.42844 | 01 43 28.00 | +28 32 29.3 | 402 | ||
| C/1999 S4 | 2000 01 26.42970 | 01 43 27.95 | +28 32 28.8 | 402 | ||
| C/1999 S4 | 2000 01 26.75935 | 01 43 12.80 | +28 30 03.1 | 958 | ||
| C/1999 S4 | 2000 01 26.78203 | 01 43 11.57 | +28 29 53.4 | 958 | ||
| C/1999 S4 | 2000 01 26.80510 | 01 43 10.52 | +28 29 44.0 | 958 | ||
| C/1999 S4 | 2000 01 27.05459 | 01 42 58.81 | +28 27 52.4 | 17.3 | T | 750 |
| C/1999 S4 | 2000 01 27.06004 | 01 42 58.58 | +28 27 50.3 | 17.1 | T | 750 |
| C/1999 S4 | 2000 01 27.07724 | 01 42 57.79 | +28 27 42.9 | 17.3 | T | 750 |
| C/1999 S4 | 2000 01 27.47048 | 01 42 39.79 | +28 24 51.0 | 14.5 | T | 900 |
| C/1999 S4 | 2000 01 27.48321 | 01 42 39.25 | +28 24 45.8 | 900 | ||
| C/1999 S4 | 2000 01 27.85443 | 01 42 22.72 | +28 22 05.7 | 958 |