| Name | Date/time | RA | Dec | Magnitude | Filter | Site Code |
|---|---|---|---|---|---|---|
| C/2009 Y1 | 2010 03 08.39398 | 11 13 53.02 | +68 54 15.9 | 18.3 | T | H45 |
| C/2009 Y1 | 2010 03 08.39487 | 11 13 52.93 | +68 54 16.2 | 18.4 | T | H45 |
| C/2009 Y1 | 2010 03 08.39598 | 11 13 52.75 | +68 54 17.1 | 18.3 | T | H45 |
| C/2009 Y1 | 2010 03 10.34328 | 11 08 50.53 | +69 18 39.0 | 18.5 | N | H45 |
| C/2009 Y1 | 2010 03 10.34502 | 11 08 50.28 | +69 18 40.2 | 18.5 | N | H45 |
| C/2009 Y1 | 2010 03 10.34646 | 11 08 50.00 | +69 18 41.2 | 18.6 | N | H45 |
| C/2009 Y1 | 2010 03 10.34751 | 11 08 49.80 | +69 18 41.7 | 18.5 | N | H45 |
| C/2009 Y1 | 2010 03 10.34911 | 11 08 49.50 | +69 18 43.2 | 18.5 | N | H45 |
| C/2009 Y1 | 2010 03 10.35023 | 11 08 49.46 | +69 18 44.1 | 18.6 | N | H45 |
| C/2009 Y1 | 2010 03 13.73471 | 10 59 40.19 | +69 57 19.6 | 18.4 | T | 349 |
| C/2009 Y1 | 2010 03 13.74935 | 10 59 37.71 | +69 57 29.2 | 349 | ||
| C/2009 Y1 | 2010 03 14.96416 | 10 56 14.45 | +70 10 10.4 | 17.6 | N | J01 |
| C/2009 Y1 | 2010 03 14.96898 | 10 56 13.57 | +70 10 13.4 | 17.6 | N | J01 |
| C/2009 Y1 | 2010 03 14.97358 | 10 56 12.85 | +70 10 15.7 | 17.8 | N | J01 |
| C/2009 Y1 | 2010 03 16.32573 | 10 52 22.44 | +70 23 36.1 | 18.0 | T | H45 |
| C/2009 Y1 | 2010 03 16.32699 | 10 52 22.11 | +70 23 37.0 | 18.2 | T | H45 |
| C/2009 Y1 | 2010 03 16.32866 | 10 52 21.91 | +70 23 38.0 | 18.2 | T | H45 |
| C/2009 Y1 | 2010 03 16.33061 | 10 52 21.63 | +70 23 38.9 | 18.2 | T | H45 |
| C/2009 Y1 | 2010 03 16.33169 | 10 52 21.36 | +70 23 39.6 | 18.2 | T | H45 |
| C/2009 Y1 | 2010 03 16.33265 | 10 52 21.28 | +70 23 40.4 | 18.1 | T | H45 |