| Name | Date/time | RA | Dec | Magnitude | Filter | Site Code |
|---|---|---|---|---|---|---|
| C/1999 S2 | 1999 09 21.55226 | 03 12 26.29 | -63 53 46.0 | 20.1 | N | 413 |
| C/1999 S2 | 1999 09 21.55392 | 03 12 26.24 | -63 53 46.2 | 20.2 | N | 413 |
| C/1999 S2 | 1999 09 21.55595 | 03 12 26.16 | -63 53 46.6 | 20.1 | N | 413 |
| C/1999 S2 | 1999 09 21.55789 | 03 12 26.09 | -63 53 46.9 | 20.1 | N | 413 |
| C/1999 S2 | 1999 09 21.56750 | 03 12 25.76 | -63 53 48.2 | 428 | ||
| C/1999 S2 | 1999 09 21.61564 | 03 12 24.27 | -63 53 57.6 | 15.2 | T | 428 |
| C/1999 S2 | 1999 09 22.44744 | 03 11 58.03 | -63 56 15.8 | 16.1 | T | 467 |
| C/1999 S2 | 1999 09 22.45176 | 03 11 57.59 | -63 56 16.1 | 16.2 | T | 467 |
| C/1999 S2 | 1999 09 22.46615 | 03 11 57.41 | -63 56 19.1 | 16.1 | T | 467 |
| C/1999 S2 | 1999 09 22.47189 | 03 11 57.11 | -63 56 18.9 | 467 | ||
| C/1999 S2 | 1999 09 23.47564 | 03 11 24.06 | -63 58 59.9 | 15.9 | N | 467 |
| C/1999 S2 | 1999 09 23.48841 | 03 11 23.86 | -63 59 03.2 | 16.0 | N | 467 |
| C/1999 S2 | 1999 09 23.49480 | 03 11 23.82 | -63 59 04.1 | 15.8 | N | 467 |
| C/1999 S2 | 1999 09 23.75835 | 03 11 14.57 | -63 59 47.1 | 18.0 | N | 428 |
| C/1999 S2 | 1999 09 23.77543 | 03 11 13.93 | -63 59 49.9 | 16.7 | T | 428 |
| C/1999 S2 | 1999 09 23.78141 | 03 11 13.76 | -63 59 51.0 | 16.7 | T | 428 |
| C/1999 S2 | 1999 09 24.75345 | 03 10 40.86 | -64 02 20.7 | 17.3 | T | 428 |
| C/1999 S2 | 1999 09 24.75948 | 03 10 40.71 | -64 02 21.5 | 17.2 | T | 428 |
| C/1999 S2 | 1999 09 24.76545 | 03 10 40.41 | -64 02 22.9 | 17.2 | T | 428 |
| C/1999 S2 | 1999 09 27.10103 | 03 09 17.54 | -64 08 02.8 | 834 |