| Name | Date/time | RA | Dec | Magnitude | Filter | Site Code |
|---|---|---|---|---|---|---|
| C/1999 S4 | 1999 09 27.39766 | 05 03 47.42 | +34 16 45.3 | 17.3 | N | 704 |
| C/1999 S4 | 1999 09 27.41147 | 05 03 46.99 | +34 16 49.5 | 17.5 | N | 704 |
| C/1999 S4 | 1999 09 27.42537 | 05 03 46.59 | +34 16 54.1 | 17.3 | N | 704 |
| C/1999 S4 | 1999 09 27.43951 | 05 03 46.09 | +34 16 57.7 | 17.6 | N | 704 |
| C/1999 S4 | 1999 09 27.45361 | 05 03 45.63 | +34 17 01.4 | 17.4 | N | 704 |
| C/1999 S4 | 1999 09 28.39537 | 05 03 16.45 | +34 21 21.8 | 17.5 | N | 704 |
| C/1999 S4 | 1999 09 28.40982 | 05 03 16.01 | +34 21 25.3 | 17.6 | N | 704 |
| C/1999 S4 | 1999 09 28.42439 | 05 03 15.59 | +34 21 29.9 | 17.5 | N | 704 |
| C/1999 S4 | 1999 09 28.43904 | 05 03 15.04 | +34 21 33.5 | 17.9 | N | 704 |
| C/1999 S4 | 1999 09 28.45370 | 05 03 14.56 | +34 21 38.5 | 17.5 | N | 704 |
| C/1999 S4 | 1999 10 01.38638 | 05 01 33.33 | +34 35 10.2 | 704 | ||
| C/1999 S4 | 1999 10 01.39174 | 05 01 33.02 | +34 35 11.1 | 704 | ||
| C/1999 S4 | 1999 10 01.39709 | 05 01 32.84 | +34 35 13.0 | 704 | ||
| C/1999 S4 | 1999 10 01.40417 | 05 01 32.72 | +34 35 18.3 | 17.5 | T | 850 |
| C/1999 S4 | 1999 10 01.42732 | 05 01 31.95 | +34 35 24.4 | 17.5 | T | 704 |
| C/1999 S4 | 1999 10 01.43142 | 05 01 31.64 | +34 35 25.1 | 16.3 | T | 850 |
| C/1999 S4 | 1999 10 01.44041 | 05 01 31.34 | +34 35 28.1 | 17.8 | T | 704 |
| C/1999 S4 | 1999 10 01.45360 | 05 01 30.91 | +34 35 32.1 | 18.5 | T | 704 |
| C/1999 S4 | 1999 10 01.46666 | 05 01 30.36 | +34 35 35.8 | 18.0 | T | 704 |
| C/1999 S4 | 1999 10 01.47970 | 05 01 29.79 | +34 35 40.0 | 18.1 | T | 704 |
