| Name | Date/time | RA | Dec | Magnitude | Filter | Site Code |
|---|---|---|---|---|---|---|
| C/1999 S2 | 1999 10 11.66211 | 02 58 58.79 | -64 29 48.9 | 17.9 | N | 428 |
| C/1999 S2 | 1999 10 15.36486 | 02 55 59.78 | -64 31 10.4 | 17.1 | N | 467 |
| C/1999 S2 | 1999 10 15.38043 | 02 55 58.84 | -64 31 10.4 | 16.7 | N | 467 |
| C/1999 S2 | 1999 10 15.38578 | 02 55 58.49 | -64 31 09.4 | 15.8 | N | 467 |
| C/1999 S2 | 1999 10 15.76632 | 02 55 39.64 | -64 31 12.0 | 413 | ||
| C/1999 S2 | 1999 10 15.77010 | 02 55 39.48 | -64 31 11.6 | 413 | ||
| C/1999 S2 | 1999 10 16.66931 | 02 54 54.90 | -64 31 12.3 | 413 | ||
| C/1999 S2 | 1999 10 16.67188 | 02 54 54.77 | -64 31 12.1 | 413 | ||
| C/1999 S2 | 1999 10 16.67389 | 02 54 54.67 | -64 31 12.0 | 413 | ||
| C/1999 S2 | 1999 10 17.69797 | 02 54 03.48 | -64 31 04.0 | 413 | ||
| C/1999 S2 | 1999 10 17.69950 | 02 54 03.39 | -64 31 04.2 | 413 | ||
| C/1999 S2 | 1999 10 19.65867 | 02 52 24.46 | -64 30 25.1 | 16.3 | T | 428 |
| C/1999 S2 | 1999 10 19.66467 | 02 52 24.25 | -64 30 25.3 | 16.2 | T | 428 |
| C/1999 S2 | 1999 11 07.57067 | 02 36 13.52 | -63 56 01.6 | 17.0 | T | 428 |
| C/1999 S2 | 1999 11 10.50948 | 02 33 48.63 | -63 46 08.6 | 322 | ||
| C/1999 S2 | 1999 11 10.55875 | 02 33 46.65 | -63 45 57.8 | 322 | ||
| C/1999 S2 | 1999 11 10.64947 | 02 33 41.66 | -63 45 35.6 | 15.9 | T | 474 |
| C/1999 S2 | 1999 11 10.65817 | 02 33 41.14 | -63 45 33.9 | 15.8 | T | 474 |
| C/1999 S2 | 1999 11 10.66730 | 02 33 40.72 | -63 45 31.4 | 15.9 | T | 474 |
| C/1999 S2 | 1999 11 15.50585 | 02 29 51.35 | -63 26 26.7 | 16.3 | T | 474 |