| Name | Date/time | RA | Dec | Magnitude | Filter | Site Code |
|---|---|---|---|---|---|---|
| C/1999 Y1 | 2000 01 25.51512 | 02 27 21.80 | +64 57 26.0 | 16.7 | T | 900 |
| C/1999 Y1 | 2000 01 25.52020 | 02 27 21.52 | +64 57 21.0 | 900 | ||
| C/1999 Y1 | 2000 01 26.09652 | 02 26 51.92 | +64 48 25.8 | 18.9 | T | 750 |
| C/1999 Y1 | 2000 01 26.10701 | 02 26 51.35 | +64 48 16.4 | 18.1 | T | 750 |
| C/1999 Y1 | 2000 01 26.43611 | 02 26 35.04 | +64 43 10.3 | 17.2 | T | 402 |
| C/1999 Y1 | 2000 01 26.43737 | 02 26 34.94 | +64 43 09.4 | 402 | ||
| C/1999 Y1 | 2000 01 27.49743 | 02 25 44.25 | +64 26 48.2 | 900 | ||
| C/1999 Y1 | 2000 01 27.54078 | 02 25 41.88 | +64 26 08.4 | 16.6 | T | 900 |
| C/1999 Y1 | 2000 01 28.48993 | 02 24 59.62 | +64 11 32.5 | 16.3 | T | 360 |
| C/1999 Y1 | 2000 01 28.49253 | 02 24 59.55 | +64 11 30.2 | 360 | ||
| C/1999 Y1 | 2000 01 29.45128 | 02 24 19.32 | +63 56 49.9 | 16.7 | T | 402 |
| C/1999 Y1 | 2000 01 29.45255 | 02 24 19.22 | +63 56 48.9 | 402 | ||
| C/1999 Y1 | 2000 01 29.45381 | 02 24 19.16 | +63 56 47.8 | 402 | ||
| C/1999 Y1 | 2000 01 31.14416 | 02 23 14.11 | +63 31 04.6 | 18.2 | T | 750 |
| C/1999 Y1 | 2000 01 31.15075 | 02 23 13.89 | +63 30 58.7 | 18.1 | T | 750 |
| C/1999 Y1 | 2000 01 31.18146 | 02 23 12.84 | +63 30 30.5 | 18.1 | T | 750 |
| C/1999 Y1 | 2000 02 01.53281 | 02 22 26.45 | +63 10 07.5 | 16.2 | T | 347 |
| C/1999 Y1 | 2000 02 01.54075 | 02 22 26.08 | +63 10 01.9 | 16.5 | T | 347 |
| C/1999 Y1 | 2000 02 01.54279 | 02 22 26.02 | +63 10 00.3 | 16.3 | T | 347 |
| C/1999 Y1 | 2000 02 04.44549 | 02 21 02.14 | +62 26 49.5 | 16.4 | T | 360 |