| Name | Date/time | RA | Dec | Magnitude | Filter | Site Code |
|---|---|---|---|---|---|---|
| C/1999 S4 | 1999 12 06.75378 | 03 07 56.76 | +36 00 46.0 | 15.3 | T | 627 |
| C/1999 S4 | 1999 12 06.77829 | 03 07 53.24 | +36 00 35.9 | 15.3 | T | 627 |
| C/1999 S4 | 1999 12 06.81939 | 03 07 47.28 | +36 00 20.9 | 15.4 | T | 627 |
| C/1999 S4 | 1999 12 06.83745 | 03 07 44.63 | +36 00 14.4 | 15.4 | T | 627 |
| C/1999 S4 | 1999 12 06.99453 | 03 07 21.72 | +35 59 14.9 | 958 | ||
| C/1999 S4 | 1999 12 07.54532 | 03 06 02.79 | +35 55 43.2 | 15.3 | T | 355 |
| C/1999 S4 | 1999 12 07.54966 | 03 06 02.17 | +35 55 41.3 | 355 | ||
| C/1999 S4 | 1999 12 07.55385 | 03 06 01.56 | +35 55 39.7 | 355 | ||
| C/1999 S4 | 1999 12 07.59612 | 03 05 55.44 | +35 55 23.4 | 15.5 | T | 402 |
| C/1999 S4 | 1999 12 07.59738 | 03 05 55.25 | +35 55 22.8 | 402 | ||
| C/1999 S4 | 1999 12 07.59865 | 03 05 55.08 | +35 55 22.4 | 402 | ||
| C/1999 S4 | 1999 12 07.65575 | 03 05 46.78 | +35 54 59.4 | 14.7 | T | 349 |
| C/1999 S4 | 1999 12 07.65865 | 03 05 46.39 | +35 54 58.5 | 349 | ||
| C/1999 S4 | 1999 12 07.66075 | 03 05 46.07 | +35 54 57.6 | 349 | ||
| C/1999 S4 | 1999 12 07.81500 | 03 05 24.19 | +35 53 58.6 | 958 | ||
| C/1999 S4 | 1999 12 07.86012 | 03 05 17.71 | +35 53 39.2 | 15.8 | N | 610 |
| C/1999 S4 | 1999 12 07.86210 | 03 05 17.56 | +35 53 38.3 | 958 | ||
| C/1999 S4 | 1999 12 07.86359 | 03 05 17.21 | +35 53 37.7 | 610 | ||
| C/1999 S4 | 1999 12 07.86706 | 03 05 16.72 | +35 53 36.3 | 610 | ||
| C/1999 S4 | 1999 12 07.87053 | 03 05 16.23 | +35 53 34.9 | 610 |