| Name | Date/time | RA | Dec | Magnitude | Filter | Site Code |
|---|---|---|---|---|---|---|
| C/1999 S4 | 2000 03 12.42225 | 01 32 34.03 | +25 44 33.7 | 349 | ||
| C/1999 S4 | 2000 03 12.42663 | 01 32 34.10 | +25 44 34.2 | 349 | ||
| C/1999 S4 | 2000 03 12.42771 | 01 32 34.13 | +25 44 34.7 | 14.9 | T | 349 |
| C/1999 S4 | 2000 03 15.81971 | 01 33 10.98 | +25 44 47.7 | 958 | ||
| C/1999 S4 | 2000 03 15.84296 | 01 33 11.19 | +25 44 46.7 | 958 | ||
| C/1999 S4 | 2000 03 24.81465 | 01 35 22.51 | +25 52 18.6 | 958 | ||
| C/1999 S4 | 2000 03 25.41282 | 01 35 32.60 | +25 53 09.5 | 349 | ||
| C/1999 S4 | 2000 03 25.41457 | 01 35 32.60 | +25 53 10.2 | 349 | ||
| C/1999 S4 | 2000 03 25.42689 | 01 35 32.79 | +25 53 11.0 | 14.3 | T | 349 |
| C/1999 S4 | 2000 05 04.77285 | 01 51 58.54 | +28 25 08.0 | 349 | ||
| C/1999 S4 | 2000 05 04.77603 | 01 51 58.50 | +28 25 10.1 | 349 | ||
| C/1999 S4 | 2000 05 04.77683 | 01 51 58.47 | +28 25 08.9 | 13.0 | T | 349 |
| C/1999 S4 | 2000 05 04.77839 | 01 51 58.63 | +28 25 10.4 | 349 | ||
| C/1999 S4 | 2000 05 13.78104 | 01 56 23.56 | +29 26 42.5 | 11.3 | T | 402 |
| C/1999 S4 | 2000 05 13.78288 | 01 56 23.73 | +29 26 43.5 | 402 | ||
| C/1999 S4 | 2000 05 13.78381 | 01 56 23.74 | +29 26 42.5 | 402 | ||
| C/1999 S4 | 2000 05 18.74665 | 01 58 53.66 | +30 06 16.5 | 11.6 | T | 349 |
| C/1999 S4 | 2000 05 18.75054 | 01 58 53.86 | +30 06 16.3 | 349 | ||
| C/1999 S4 | 2000 05 18.75213 | 01 58 54.06 | +30 06 19.9 | 349 | ||
| C/1999 S4 | 2000 05 24.75258 | 02 02 00.15 | +31 00 43.8 | 11.6 | T | 349 |