| Name | Date/time | RA | Dec | Magnitude | Filter | Site Code |
|---|---|---|---|---|---|---|
| C/1999 Y1 | 2000 10 05.89166 | 01 59 05.45 | +46 44 05.9 | 970 | ||
| C/1999 Y1 | 2000 10 05.90230 | 01 59 03.77 | +46 43 57.5 | 970 | ||
| C/1999 Y1 | 2000 10 06.20348 | 01 58 16.54 | +46 39 41.3 | 642 | ||
| C/1999 Y1 | 2000 10 06.20545 | 01 58 16.28 | +46 39 40.3 | 642 | ||
| C/1999 Y1 | 2000 10 06.20744 | 01 58 15.89 | +46 39 37.7 | 642 | ||
| C/1999 Y1 | 2000 10 06.74140 | 01 56 51.63 | +46 31 58.7 | 13.3 | T | 349 |
| C/1999 Y1 | 2000 10 06.74304 | 01 56 51.38 | +46 31 57.2 | 349 | ||
| C/1999 Y1 | 2000 10 06.74485 | 01 56 51.05 | +46 31 55.9 | 349 | ||
| C/1999 Y1 | 2000 10 07.35261 | 01 55 15.37 | +46 22 58.5 | 15.3 | T | 704 |
| C/1999 Y1 | 2000 10 07.36844 | 01 55 12.69 | +46 22 44.8 | 15.1 | T | 704 |
| C/1999 Y1 | 2000 10 07.38371 | 01 55 10.52 | +46 22 30.2 | 15.0 | T | 704 |
| C/1999 Y1 | 2000 10 07.39971 | 01 55 07.74 | +46 22 17.7 | 14.9 | T | 704 |
| C/1999 Y1 | 2000 10 07.53427 | 01 54 46.78 | +46 20 15.8 | 13.2 | T | 349 |
| C/1999 Y1 | 2000 10 07.53590 | 01 54 46.55 | +46 20 13.9 | 349 | ||
| C/1999 Y1 | 2000 10 07.53731 | 01 54 46.34 | +46 20 12.6 | 349 | ||
| C/1999 Y1 | 2000 10 11.73138 | 01 43 38.32 | +45 11 48.4 | 13.3 | T | 349 |
| C/1999 Y1 | 2000 10 11.73412 | 01 43 37.89 | +45 11 45.3 | 349 | ||
| C/1999 Y1 | 2000 10 11.73667 | 01 43 37.48 | +45 11 42.8 | 349 | ||
| C/1999 Y1 | 2000 10 12.12950 | 01 42 34.97 | +45 04 44.1 | 642 | ||
| C/1999 Y1 | 2000 10 12.13148 | 01 42 34.68 | +45 04 40.8 | 642 |