| Name | Date/time | RA | Dec | Magnitude | Filter | Site Code |
|---|---|---|---|---|---|---|
| C/1999 A1 | 1999 01 17.40573 | 23 41 23.93 | -34 23 37.6 | 360 | ||
| C/1999 A1 | 1999 01 17.40712 | 23 41 23.91 | -34 23 42.8 | 360 | ||
| C/1999 A1 | 1999 01 17.40851 | 23 41 23.97 | -34 23 47.6 | 360 | ||
| C/1999 A1 | 1999 01 17.43995 | 23 41 24.19 | -34 25 31.2 | 16.8 | N | 422 |
| C/1999 A1 | 1999 01 17.44193 | 23 41 24.21 | -34 25 38.2 | 16.8 | N | 422 |
| C/1999 A1 | 1999 01 17.96796 | 23 41 34.11 | -34 57 23.4 | 12.4 | T | 859 |
| C/1999 A1 | 1999 01 17.97295 | 23 41 34.15 | -34 57 40.3 | 12.4 | T | 859 |
| C/1999 A1 | 1999 01 17.97535 | 23 41 34.17 | -34 57 49.2 | 12.5 | T | 859 |
| C/1999 A1 | 1999 01 18.37808 | 23 41 40.57 | -35 21 34.6 | 897 | ||
| C/1999 A1 | 1999 01 18.38076 | 23 41 40.58 | -35 21 44.6 | 897 | ||
| C/1999 A1 | 1999 01 18.41958 | 23 41 40.78 | -35 23 44.0 | 426 | ||
| C/1999 A1 | 1999 01 18.94735 | 23 41 47.03 | -35 53 35.3 | 13.1 | T | 859 |
| C/1999 A1 | 1999 01 18.96302 | 23 41 47.14 | -35 54 26.8 | 12.6 | T | 859 |
| C/1999 A1 | 1999 01 18.96674 | 23 41 47.18 | -35 54 39.0 | 12.7 | T | 859 |
| C/1999 A1 | 1999 01 19.43373 | 23 41 51.15 | -36 20 11.7 | 16.4 | N | 422 |
| C/1999 A1 | 1999 01 19.43465 | 23 41 51.18 | -36 20 14.9 | 16.3 | N | 422 |
| C/1999 A1 | 1999 01 19.43510 | 23 41 51.16 | -36 20 16.1 | 16.2 | N | 422 |
| C/1999 A1 | 1999 01 19.46076 | 23 41 51.45 | -36 21 38.8 | 426 | ||
| C/1999 A1 | 1999 01 19.46542 | 23 41 51.48 | -36 21 53.3 | 426 | ||
| C/1999 A1 | 1999 01 19.47140 | 23 41 51.49 | -36 22 12.4 | 12.8 | N | 426 |
