| Name | Date/time | RA | Dec | Magnitude | Filter | Site Code |
|---|---|---|---|---|---|---|
| C/2009 Y1 | 2010 07 14.90764 | 09 34 08.60 | +68 31 57.5 | 16.8 | T | 561 |
| C/2009 Y1 | 2010 07 24.92209 | 09 51 44.88 | +68 42 05.9 | 017 | ||
| C/2009 Y1 | 2010 07 24.93534 | 09 51 46.46 | +68 42 07.0 | 017 | ||
| C/2009 Y1 | 2010 07 24.94671 | 09 51 47.52 | +68 42 08.3 | 017 | ||
| C/2009 Y1 | 2010 07 24.95575 | 09 51 48.69 | +68 42 09.5 | 017 | ||
| C/2009 Y1 | 2010 07 25.01086 | 09 51 55.19 | +68 42 14.6 | 017 | ||
| C/2009 Y1 | 2010 07 25.01991 | 09 51 56.13 | +68 42 15.3 | 017 | ||
| C/2009 Y1 | 2010 07 25.03230 | 09 51 57.50 | +68 42 16.4 | 017 | ||
| C/2009 Y1 | 2010 07 25.04552 | 09 51 59.20 | +68 42 17.6 | 017 | ||
| C/2009 Y1 | 2010 08 01.87880 | 10 07 56.60 | +68 57 15.3 | 16.4 | N | A71 |
| C/2009 Y1 | 2010 08 01.88203 | 10 07 57.05 | +68 57 15.7 | 16.4 | N | A71 |
| C/2009 Y1 | 2010 08 01.88525 | 10 07 57.47 | +68 57 16.2 | 16.4 | N | A71 |
| C/2009 Y1 | 2010 08 01.88848 | 10 07 57.89 | +68 57 16.7 | 16.5 | N | A71 |
| C/2009 Y1 | 2010 08 11.87998 | 10 31 32.55 | +69 24 53.4 | 16.6 | T | 561 |
| C/2009 Y1 | 2010 08 11.88333 | 10 31 33.03 | +69 24 54.1 | 16.6 | T | 561 |
| C/2009 Y1 | 2010 08 11.88624 | 10 31 33.54 | +69 24 54.7 | 16.6 | T | 561 |
| C/2009 Y1 | 2010 08 20.82850 | 10 56 20.61 | +69 57 05.4 | 15.9 | N | B82 |
| C/2009 Y1 | 2010 08 20.83941 | 10 56 22.58 | +69 57 08.0 | 15.9 | N | B82 |
| C/2009 Y1 | 2010 08 20.84159 | 10 56 22.97 | +69 57 08.3 | 15.8 | N | B82 |
| C/2009 Y1 | 2010 08 21.86888 | 10 59 29.37 | +70 01 12.4 | 15.8 | N | B82 |