| Name | Date/time | RA | Dec | Magnitude | Filter | Site Code |
|---|---|---|---|---|---|---|
| C/1999 S4 | 2000 01 31.08037 | 01 40 08.36 | +27 59 49.2 | 18.0 | T | 704 |
| C/1999 S4 | 2000 01 31.09506 | 01 40 07.61 | +27 59 40.3 | 18.7 | T | 704 |
| C/1999 S4 | 2000 01 31.10975 | 01 40 06.97 | +27 59 34.6 | 18.2 | T | 704 |
| C/1999 S4 | 2000 01 31.12445 | 01 40 06.38 | +27 59 28.2 | 18.3 | T | 704 |
| C/1999 S4 | 2000 01 31.13918 | 01 40 05.79 | +27 59 20.9 | 16.7 | T | 704 |
| C/1999 S4 | 2000 01 31.78547 | 01 39 41.38 | +27 55 08.8 | 958 | ||
| C/1999 S4 | 2000 01 31.80874 | 01 39 40.33 | +27 54 58.8 | 958 | ||
| C/1999 S4 | 2000 01 31.83236 | 01 39 39.53 | +27 54 49.7 | 958 | ||
| C/1999 S4 | 2000 02 01.47223 | 01 39 15.69 | +27 50 39.9 | 14.2 | T | 347 |
| C/1999 S4 | 2000 02 01.47419 | 01 39 15.70 | +27 50 38.8 | 13.8 | T | 347 |
| C/1999 S4 | 2000 02 01.47691 | 01 39 15.46 | +27 50 36.9 | 14.2 | T | 347 |
| C/1999 S4 | 2000 02 01.72743 | 01 39 06.56 | +27 49 02.9 | 154 | ||
| C/1999 S4 | 2000 02 01.73026 | 01 39 06.46 | +27 49 01.6 | 154 | ||
| C/1999 S4 | 2000 02 01.73403 | 01 39 06.32 | +27 48 59.9 | 154 | ||
| C/1999 S4 | 2000 02 03.39470 | 01 38 08.96 | +27 38 38.1 | 14.8 | T | 402 |
| C/1999 S4 | 2000 02 03.39722 | 01 38 08.91 | +27 38 37.2 | 402 | ||
| C/1999 S4 | 2000 02 03.39975 | 01 38 08.83 | +27 38 36.6 | 402 | ||
| C/1999 S4 | 2000 02 03.79350 | 01 37 55.82 | +27 36 13.0 | 958 | ||
| C/1999 S4 | 2000 02 03.81338 | 01 37 55.19 | +27 36 05.2 | 958 | ||
| C/1999 S4 | 2000 02 03.84377 | 01 37 54.13 | +27 35 56.0 | 958 |