| Name | Date/time | RA | Dec | Magnitude | Filter | Site Code |
|---|---|---|---|---|---|---|
| C/1999 Y1 | 2000 01 07.14696 | 02 54 04.19 | +69 41 15.6 | 046 | ||
| C/1999 Y1 | 2000 01 07.14794 | 02 54 04.07 | +69 41 15.0 | 046 | ||
| C/1999 Y1 | 2000 01 07.39656 | 02 53 32.43 | +69 37 36.5 | 348 | ||
| C/1999 Y1 | 2000 01 07.40679 | 02 53 31.21 | +69 37 28.2 | 16.2 | T | 348 |
| C/1999 Y1 | 2000 01 07.46800 | 02 53 23.26 | +69 36 32.8 | 16.7 | T | 402 |
| C/1999 Y1 | 2000 01 07.46926 | 02 53 23.08 | +69 36 31.5 | 402 | ||
| C/1999 Y1 | 2000 01 07.47052 | 02 53 22.90 | +69 36 30.2 | 402 | ||
| C/1999 Y1 | 2000 01 08.45845 | 02 51 19.84 | +69 21 46.0 | 16.5 | T | 349 |
| C/1999 Y1 | 2000 01 08.46071 | 02 51 19.48 | +69 21 45.0 | 349 | ||
| C/1999 Y1 | 2000 01 08.46796 | 02 51 18.51 | +69 21 38.5 | 349 | ||
| C/1999 Y1 | 2000 01 08.52589 | 02 51 12.09 | +69 20 46.8 | 16.6 | T | 351 |
| C/1999 Y1 | 2000 01 08.53172 | 02 51 10.77 | +69 20 40.1 | 351 | ||
| C/1999 Y1 | 2000 01 08.53772 | 02 51 10.52 | +69 20 35.4 | 351 | ||
| C/1999 Y1 | 2000 01 08.58176 | 02 51 04.84 | +69 19 56.7 | 16.5 | T | 903 |
| C/1999 Y1 | 2000 01 08.58653 | 02 51 04.21 | +69 19 52.1 | 903 | ||
| C/1999 Y1 | 2000 01 08.60508 | 02 51 02.03 | +69 19 33.6 | 903 | ||
| C/1999 Y1 | 2000 01 15.41726 | 02 39 07.96 | +67 35 07.9 | 17.2 | T | 402 |
| C/1999 Y1 | 2000 01 15.41978 | 02 39 07.75 | +67 35 05.1 | 402 | ||
| C/1999 Y1 | 2000 01 15.42230 | 02 39 07.55 | +67 35 03.0 | 402 | ||
| C/1999 Y1 | 2000 01 16.80008 | 02 37 08.31 | +67 13 34.0 | 118 |