| Name | Date/time | RA | Dec | Magnitude | Filter | Site Code |
|---|---|---|---|---|---|---|
| C/2009 Y1 | 2010 06 20.89481 | 09 03 18.27 | +68 47 01.0 | 17.0 | N | J38 |
| C/2009 Y1 | 2010 06 20.89626 | 09 03 18.43 | +68 47 00.6 | 16.8 | N | J38 |
| C/2009 Y1 | 2010 06 20.89771 | 09 03 18.52 | +68 47 00.4 | 17.1 | N | J38 |
| C/2009 Y1 | 2010 07 02.87528 | 09 16 43.46 | +68 32 49.3 | 16.5 | N | A71 |
| C/2009 Y1 | 2010 07 02.87810 | 09 16 43.73 | +68 32 49.1 | 16.5 | N | A71 |
| C/2009 Y1 | 2010 07 02.88126 | 09 16 43.95 | +68 32 48.9 | 16.6 | N | A71 |
| C/2009 Y1 | 2010 07 02.88443 | 09 16 44.21 | +68 32 48.8 | 16.7 | N | A71 |
| C/2009 Y1 | 2010 07 02.88762 | 09 16 44.43 | +68 32 48.5 | 16.7 | N | A71 |
| C/2009 Y1 | 2010 07 02.89079 | 09 16 44.75 | +68 32 48.7 | 16.5 | N | A71 |
| C/2009 Y1 | 2010 07 10.87569 | 09 27 51.97 | +68 30 41.4 | 17.4 | T | 561 |
| C/2009 Y1 | 2010 07 10.87951 | 09 27 52.32 | +68 30 41.5 | 17.0 | T | 561 |
| C/2009 Y1 | 2010 07 10.88299 | 09 27 52.60 | +68 30 41.3 | 17.3 | T | 561 |
| C/2009 Y1 | 2010 07 12.90903 | 09 30 58.68 | +68 31 08.2 | 17.5 | T | 561 |
| C/2009 Y1 | 2010 07 12.91250 | 09 30 59.04 | +68 31 07.9 | 17.6 | T | 561 |
| C/2009 Y1 | 2010 07 12.91562 | 09 30 59.29 | +68 31 08.0 | 17.5 | T | 561 |
| C/2009 Y1 | 2010 07 12.92049 | 09 30 59.80 | +68 31 07.6 | 17.4 | T | 561 |
| C/2009 Y1 | 2010 07 12.92188 | 09 30 59.91 | +68 31 07.6 | 17.5 | T | 561 |
| C/2009 Y1 | 2010 07 14.89965 | 09 34 08.08 | +68 31 57.3 | 17.0 | T | 561 |
| C/2009 Y1 | 2010 07 14.90243 | 09 34 08.36 | +68 31 57.4 | 16.9 | T | 561 |
| C/2009 Y1 | 2010 07 14.90486 | 09 34 08.59 | +68 31 57.5 | 16.9 | T | 561 |