| Name | Date/time | RA | Dec | Magnitude | Filter | Site Code |
|---|---|---|---|---|---|---|
| C/1999 S2 | 1999 11 15.51254 | 02 29 50.99 | -63 26 25.4 | 16.3 | T | 474 |
| C/1999 S2 | 1999 11 22.52366 | 02 24 43.59 | -62 53 19.5 | 322 | ||
| C/1999 S2 | 1999 11 22.55215 | 02 24 42.17 | -62 53 08.6 | 322 | ||
| C/1999 S2 | 1999 12 05.49675 | 02 16 53.64 | -61 36 29.5 | 17.3 | T | 428 |
| C/1999 S2 | 2000 02 05.41429 | 02 13 23.53 | -53 02 17.2 | 17.5 | T | 428 |
| C/1999 S2 | 2000 02 05.43008 | 02 13 23.82 | -53 02 07.5 | 17.4 | T | 428 |
| C/1999 S2 | 2000 02 28.46747 | 02 23 11.25 | -49 48 11.2 | 17.7 | N | 413 |
| C/1999 S2 | 2000 02 28.47052 | 02 23 11.32 | -49 48 10.2 | 18.0 | N | 413 |
| C/1999 S2 | 2000 02 28.48346 | 02 23 11.77 | -49 48 03.9 | 18.2 | N | 413 |
| C/1999 S2 | 2000 03 05.38078 | 02 26 17.12 | -49 01 47.2 | 17.0 | T | 474 |
| C/1999 S2 | 2000 03 05.38191 | 02 26 17.27 | -49 01 46.7 | 17.0 | T | 474 |
| C/1999 S2 | 2000 03 05.38583 | 02 26 17.37 | -49 01 45.6 | 17.1 | T | 474 |
| C/1999 S2 | 2000 07 27.76615 | 03 48 46.38 | -42 51 20.0 | 17.1 | N | 474 |
| C/1999 S2 | 2000 07 27.77455 | 03 48 46.50 | -42 51 20.5 | 17.1 | N | 474 |
| C/1999 S2 | 2000 10 27.62165 | 03 35 56.07 | -46 57 14.9 | 18.8 | N | 428 |
| C/1999 S2 | 2000 10 27.62780 | 03 35 55.81 | -46 57 14.6 | 18.8 | N | 428 |
| C/1999 S2 | 2000 12 22.50125 | 03 09 19.76 | -44 28 38.2 | 18.0 | T | 428 |
| C/1999 S2 | 2000 12 22.50815 | 03 09 19.59 | -44 28 35.5 | 18.2 | T | 428 |
| C/1999 S2 | 2001 01 29.63075 | 03 03 19.60 | -40 29 50.9 | 16.3 | T | 320 |
| C/1999 S2 | 2001 01 29.63354 | 03 03 19.55 | -40 29 48.2 | 16.5 | T | 320 |