| Name | Date/time | RA | Dec | Magnitude | Filter | Site Code |
|---|---|---|---|---|---|---|
| C/1999 S4 | 1999 10 20.59385 | 04 43 41.49 | +36 02 44.9 | 355 | ||
| C/1999 S4 | 1999 10 20.61382 | 04 43 39.94 | +36 02 49.9 | 16.5 | T | 886 |
| C/1999 S4 | 1999 10 20.62565 | 04 43 38.94 | +36 02 53.3 | 886 | ||
| C/1999 S4 | 1999 10 20.63505 | 04 43 38.24 | +36 02 55.3 | 16.5 | T | 352 |
| C/1999 S4 | 1999 10 20.63852 | 04 43 37.99 | +36 02 55.4 | 352 | ||
| C/1999 S4 | 1999 10 20.67439 | 04 43 35.20 | +36 03 05.8 | 16.2 | T | 900 |
| C/1999 S4 | 1999 10 20.68703 | 04 43 34.24 | +36 03 08.9 | 900 | ||
| C/1999 S4 | 1999 10 20.74277 | 04 43 29.92 | +36 03 23.0 | 16.6 | T | 402 |
| C/1999 S4 | 1999 10 20.74403 | 04 43 29.82 | +36 03 23.5 | 402 | ||
| C/1999 S4 | 1999 10 20.74529 | 04 43 29.71 | +36 03 23.6 | 402 | ||
| C/1999 S4 | 1999 10 21.67241 | 04 42 17.87 | +36 07 15.7 | 16.4 | T | 402 |
| C/1999 S4 | 1999 10 21.67366 | 04 42 17.78 | +36 07 15.7 | 402 | ||
| C/1999 S4 | 1999 10 21.67492 | 04 42 17.67 | +36 07 16.2 | 402 | ||
| C/1999 S4 | 1999 10 22.88260 | 04 40 40.93 | +36 12 11.0 | 958 | ||
| C/1999 S4 | 1999 10 22.91563 | 04 40 38.25 | +36 12 19.7 | 958 | ||
| C/1999 S4 | 1999 10 22.93184 | 04 40 36.98 | +36 12 24.0 | 958 | ||
| C/1999 S4 | 1999 10 23.56746 | 04 39 44.85 | +36 14 56.3 | 402 | ||
| C/1999 S4 | 1999 10 23.56998 | 04 39 44.69 | +36 14 57.5 | 16.1 | T | 402 |
| C/1999 S4 | 1999 10 23.81645 | 04 39 23.84 | +36 15 55.3 | 15.8 | T | 897 |
| C/1999 S4 | 1999 10 23.82068 | 04 39 23.55 | +36 15 56.8 | 897 |