| Name | Date/time | RA | Dec | Magnitude | Filter | Site Code |
|---|---|---|---|---|---|---|
| C/1999 S4 | 1999 10 17.98111 | 04 46 52.85 | +35 51 32.1 | 16.6 | T | 629 |
| C/1999 S4 | 1999 10 17.98823 | 04 46 52.29 | +35 51 33.8 | 16.2 | T | 629 |
| C/1999 S4 | 1999 10 17.99609 | 04 46 51.84 | +35 51 34.6 | 16.4 | T | 629 |
| C/1999 S4 | 1999 10 18.57335 | 04 46 10.84 | +35 54 05.7 | 411 | ||
| C/1999 S4 | 1999 10 18.57818 | 04 46 10.50 | +35 54 07.1 | 411 | ||
| C/1999 S4 | 1999 10 18.70226 | 04 46 01.46 | +35 54 40.1 | 16.2 | T | 392 |
| C/1999 S4 | 1999 10 18.70758 | 04 46 01.07 | +35 54 41.6 | 392 | ||
| C/1999 S4 | 1999 10 18.71233 | 04 46 00.68 | +35 54 42.6 | 392 | ||
| C/1999 S4 | 1999 10 18.88171 | 04 45 48.51 | +35 55 25.6 | 15.7 | T | 113 |
| C/1999 S4 | 1999 10 18.91198 | 04 45 46.32 | +35 55 33.8 | 15.8 | T | 113 |
| C/1999 S4 | 1999 10 19.54896 | 04 44 59.84 | +35 58 18.2 | 16.4 | T | 367 |
| C/1999 S4 | 1999 10 19.55243 | 04 44 59.55 | +35 58 19.3 | 367 | ||
| C/1999 S4 | 1999 10 19.55590 | 04 44 59.31 | +35 58 20.2 | 367 | ||
| C/1999 S4 | 1999 10 19.87915 | 04 44 35.23 | +35 59 42.2 | 15.8 | T | 113 |
| C/1999 S4 | 1999 10 19.89490 | 04 44 34.07 | +35 59 46.1 | 15.7 | T | 113 |
| C/1999 S4 | 1999 10 20.12086 | 04 44 17.07 | +36 00 45.2 | 15.8 | T | 118 |
| C/1999 S4 | 1999 10 20.12303 | 04 44 16.84 | +36 00 45.0 | 118 | ||
| C/1999 S4 | 1999 10 20.12638 | 04 44 16.59 | +36 00 45.9 | 118 | ||
| C/1999 S4 | 1999 10 20.58115 | 04 43 42.42 | +36 02 41.3 | 355 | ||
| C/1999 S4 | 1999 10 20.58525 | 04 43 42.14 | +36 02 42.3 | 355 |
