| Name | Date/time | RA | Dec | Magnitude | Filter | Site Code |
|---|---|---|---|---|---|---|
| C/1999 S4 | 1999 10 01.84729 | 05 01 16.15 | +34 37 21.4 | 16.9 | T | 327 |
| C/1999 S4 | 1999 10 01.89332 | 05 01 14.52 | +34 37 33.6 | 16.2 | T | 046 |
| C/1999 S4 | 1999 10 01.89419 | 05 01 14.48 | +34 37 31.7 | 587 | ||
| C/1999 S4 | 1999 10 01.89456 | 05 01 14.46 | +34 37 34.5 | 046 | ||
| C/1999 S4 | 1999 10 01.89566 | 05 01 14.39 | +34 37 34.7 | 046 | ||
| C/1999 S4 | 1999 10 01.89677 | 05 01 14.39 | +34 37 35.0 | 046 | ||
| C/1999 S4 | 1999 10 01.89821 | 05 01 14.32 | +34 37 34.7 | 046 | ||
| C/1999 S4 | 1999 10 01.89939 | 05 01 14.27 | +34 37 35.6 | 046 | ||
| C/1999 S4 | 1999 10 01.91170 | 05 01 13.79 | +34 37 39.2 | 118 | ||
| C/1999 S4 | 1999 10 01.91285 | 05 01 13.73 | +34 37 39.5 | 16.0 | T | 118 |
| C/1999 S4 | 1999 10 01.91848 | 05 01 13.54 | +34 37 40.8 | 587 | ||
| C/1999 S4 | 1999 10 01.91907 | 05 01 13.48 | +34 37 41.1 | 118 | ||
| C/1999 S4 | 1999 10 02.36528 | 05 00 56.31 | +34 39 46.5 | 17.1 | T | 850 |
| C/1999 S4 | 1999 10 02.39063 | 05 00 55.28 | +34 39 53.5 | 16.8 | T | 850 |
| C/1999 S4 | 1999 10 02.41287 | 05 00 54.42 | +34 40 00.3 | 16.9 | T | 850 |
| C/1999 S4 | 1999 10 02.60515 | 05 00 47.09 | +34 40 53.2 | 355 | ||
| C/1999 S4 | 1999 10 02.61225 | 05 00 46.78 | +34 40 54.8 | 16.6 | T | 355 |
| C/1999 S4 | 1999 10 03.02956 | 05 00 30.28 | +34 42 51.9 | 16.1 | T | 470 |
| C/1999 S4 | 1999 10 03.03472 | 05 00 29.99 | +34 42 54.0 | 15.8 | T | 470 |
| C/1999 S4 | 1999 10 03.06396 | 05 00 28.83 | +34 43 02.2 | 16.2 | T | 046 |
