| Name | Date/time | RA | Dec | Magnitude | Filter | Site Code |
|---|---|---|---|---|---|---|
| C/1999 Y1 | 2000 02 04.44844 | 02 21 02.05 | +62 26 47.1 | 360 | ||
| C/1999 Y1 | 2000 02 05.09970 | 02 20 45.92 | +62 17 12.4 | 17.7 | T | 750 |
| C/1999 Y1 | 2000 02 05.10318 | 02 20 45.87 | +62 17 10.0 | 17.2 | T | 750 |
| C/1999 Y1 | 2000 02 05.11012 | 02 20 45.66 | +62 17 03.4 | 18.1 | T | 750 |
| C/1999 Y1 | 2000 02 05.41149 | 02 20 38.50 | +62 12 39.2 | 349 | ||
| C/1999 Y1 | 2000 02 05.41517 | 02 20 38.43 | +62 12 35.3 | 349 | ||
| C/1999 Y1 | 2000 02 05.41723 | 02 20 38.49 | +62 12 34.8 | 16.2 | T | 349 |
| C/1999 Y1 | 2000 02 08.11024 | 02 19 43.39 | +61 33 36.3 | 17.8 | T | 750 |
| C/1999 Y1 | 2000 02 08.11758 | 02 19 43.32 | +61 33 29.8 | 18.0 | T | 750 |
| C/1999 Y1 | 2000 02 08.12777 | 02 19 43.11 | +61 33 22.1 | 17.0 | T | 750 |
| C/1999 Y1 | 2000 02 10.41473 | 02 19 08.31 | +61 00 58.1 | 16.4 | T | 402 |
| C/1999 Y1 | 2000 02 10.41598 | 02 19 08.26 | +61 00 57.2 | 402 | ||
| C/1999 Y1 | 2000 02 10.41724 | 02 19 08.24 | +61 00 56.5 | 402 | ||
| C/1999 Y1 | 2000 02 11.41354 | 02 18 56.19 | +60 47 02.3 | 16.2 | T | 360 |
| C/1999 Y1 | 2000 02 11.41632 | 02 18 56.14 | +60 47 00.0 | 360 | ||
| C/1999 Y1 | 2000 02 12.81142 | 02 18 42.34 | +60 27 46.2 | 16.5 | T | 143 |
| C/1999 Y1 | 2000 02 12.81635 | 02 18 42.32 | +60 27 42.2 | 16.5 | T | 143 |
| C/1999 Y1 | 2000 02 12.82131 | 02 18 42.32 | +60 27 37.5 | 16.4 | T | 143 |
| C/1999 Y1 | 2000 02 27.45643 | 02 19 16.95 | +57 22 38.9 | 349 | ||
| C/1999 Y1 | 2000 02 27.46865 | 02 19 17.09 | +57 22 30.4 | 349 |