| Name | Date/time | RA | Dec | Magnitude | Filter | Site Code |
|---|---|---|---|---|---|---|
| C/1999 S4 | 2000 01 18.57906 | 01 50 38.84 | +29 35 18.1 | 903 | ||
| C/1999 S4 | 2000 01 19.09125 | 01 50 06.86 | +29 30 56.4 | 16.1 | T | 750 |
| C/1999 S4 | 2000 01 19.10273 | 01 50 06.16 | +29 30 50.7 | 16.1 | T | 750 |
| C/1999 S4 | 2000 01 20.77399 | 01 48 26.19 | +29 16 51.1 | 958 | ||
| C/1999 S4 | 2000 01 20.80076 | 01 48 24.65 | +29 16 38.0 | 958 | ||
| C/1999 S4 | 2000 01 21.52528 | 01 47 42.70 | +29 10 40.1 | 349 | ||
| C/1999 S4 | 2000 01 21.52932 | 01 47 42.42 | +29 10 38.4 | 349 | ||
| C/1999 S4 | 2000 01 21.53049 | 01 47 42.38 | +29 10 38.1 | 15.2 | T | 349 |
| C/1999 S4 | 2000 01 22.38911 | 01 46 54.53 | +29 03 41.7 | 15.3 | T | 402 |
| C/1999 S4 | 2000 01 22.39038 | 01 46 54.42 | +29 03 41.2 | 402 | ||
| C/1999 S4 | 2000 01 22.39164 | 01 46 54.37 | +29 03 40.5 | 402 | ||
| C/1999 S4 | 2000 01 22.39579 | 01 46 54.10 | +29 03 38.2 | 349 | ||
| C/1999 S4 | 2000 01 22.39703 | 01 46 54.09 | +29 03 37.7 | 349 | ||
| C/1999 S4 | 2000 01 22.40362 | 01 46 53.68 | +29 03 34.5 | 15.0 | T | 349 |
| C/1999 S4 | 2000 01 24.77280 | 01 44 48.88 | +28 44 58.4 | 14.7 | N | 170 |
| C/1999 S4 | 2000 01 24.77469 | 01 44 48.69 | +28 44 57.6 | 15.3 | N | 046 |
| C/1999 S4 | 2000 01 24.77706 | 01 44 48.58 | +28 44 56.4 | 13.9 | T | 046 |
| C/1999 S4 | 2000 01 24.77831 | 01 44 48.53 | +28 44 55.5 | 046 | ||
| C/1999 S4 | 2000 01 24.78080 | 01 44 48.41 | +28 44 54.1 | 046 | ||
| C/1999 S4 | 2000 01 24.80382 | 01 44 47.30 | +28 44 44.5 | 14.7 | N | 170 |