| Name | Date/time | RA | Dec | Magnitude | Filter | Site Code |
|---|---|---|---|---|---|---|
| C/1999 Y1 | 2001 07 23.46278 | 00 50 02.56 | -26 06 24.5 | 12.4 | T | 644 |
| C/1999 Y1 | 2001 07 23.79302 | 00 49 45.69 | -26 15 48.7 | 14.0 | T | 474 |
| C/1999 Y1 | 2001 07 23.79353 | 00 49 45.66 | -26 15 49.6 | 14.0 | T | 474 |
| C/1999 Y1 | 2001 07 23.79396 | 00 49 45.64 | -26 15 50.2 | 14.0 | T | 474 |
| C/1999 Y1 | 2001 08 03.74671 | 00 38 02.52 | -31 42 18.5 | 349 | ||
| C/1999 Y1 | 2001 08 03.74773 | 00 38 02.47 | -31 42 21.0 | 349 | ||
| C/1999 Y1 | 2001 08 03.74888 | 00 38 02.35 | -31 42 23.0 | 14.1 | T | 349 |
| C/1999 Y1 | 2001 08 12.28696 | 00 25 19.86 | -36 05 54.4 | 12.5 | T | 860 |
| C/1999 Y1 | 2001 08 12.29116 | 00 25 19.31 | -36 06 01.4 | 12.6 | T | 860 |
| C/1999 Y1 | 2001 08 12.29878 | 00 25 18.41 | -36 06 14.2 | 12.5 | T | 860 |
| C/1999 Y1 | 2001 08 13.13810 | 00 23 52.94 | -36 32 01.4 | 13.6 | T | 844 |
| C/1999 Y1 | 2001 08 13.14821 | 00 23 51.90 | -36 32 19.9 | 13.5 | T | 844 |
| C/1999 Y1 | 2001 08 13.15171 | 00 23 51.48 | -36 32 26.5 | 13.7 | T | 844 |
| C/1999 Y1 | 2001 08 14.71764 | 00 21 05.84 | -37 20 23.8 | 13.3 | T | 402 |
| C/1999 Y1 | 2001 08 14.72024 | 00 21 05.54 | -37 20 28.7 | 402 | ||
| C/1999 Y1 | 2001 08 14.72285 | 00 21 05.27 | -37 20 33.2 | 402 | ||
| C/1999 Y1 | 2001 08 15.68522 | 00 19 19.99 | -37 49 45.4 | 474 | ||
| C/1999 Y1 | 2001 08 15.68657 | 00 19 19.84 | -37 49 47.6 | 474 | ||
| C/1999 Y1 | 2001 08 15.68918 | 00 19 19.57 | -37 49 52.8 | 474 | ||
| C/1999 Y1 | 2001 08 22.66744 | 00 05 19.62 | -41 15 46.8 | 12.4 | T | 349 |