| Name | Date/time | RA | Dec | Magnitude | Filter | Site Code |
|---|---|---|---|---|---|---|
| C/2009 Y1 | 2010 05 19.96557 | 08 49 36.43 | +70 19 18.9 | 17.3 | N | J38 |
| C/2009 Y1 | 2010 05 19.96880 | 08 49 36.39 | +70 19 18.0 | 17.4 | N | J38 |
| C/2009 Y1 | 2010 05 19.97202 | 08 49 36.39 | +70 19 17.0 | 17.2 | N | J38 |
| C/2009 Y1 | 2010 05 20.91206 | 08 49 27.01 | +70 15 44.6 | 17.4 | N | J38 |
| C/2009 Y1 | 2010 05 20.91493 | 08 49 27.05 | +70 15 44.5 | 17.3 | N | J38 |
| C/2009 Y1 | 2010 05 20.92639 | 08 49 26.94 | +70 15 42.8 | 17.4 | N | J38 |
| C/2009 Y1 | 2010 05 23.95256 | 08 49 13.01 | +70 04 31.5 | 17.1 | N | J38 |
| C/2009 Y1 | 2010 05 23.95828 | 08 49 12.95 | +70 04 30.7 | 17.4 | N | J38 |
| C/2009 Y1 | 2010 05 23.96278 | 08 49 12.93 | +70 04 29.5 | 17.5 | N | J38 |
| C/2009 Y1 | 2010 05 29.92256 | 08 49 53.08 | +69 43 42.7 | 17.4 | N | J38 |
| C/2009 Y1 | 2010 05 29.92506 | 08 49 53.09 | +69 43 41.7 | 17.3 | N | J38 |
| C/2009 Y1 | 2010 05 29.93254 | 08 49 53.30 | +69 43 40.7 | 17.3 | N | J38 |
| C/2009 Y1 | 2010 06 02.91679 | 08 51 06.37 | +69 30 50.9 | 17.1 | T | C95 |
| C/2009 Y1 | 2010 06 02.92160 | 08 51 06.47 | +69 30 50.3 | 17.3 | T | C95 |
| C/2009 Y1 | 2010 06 03.92837 | 08 51 30.65 | +69 27 45.9 | 16.9 | N | J38 |
| C/2009 Y1 | 2010 06 03.93052 | 08 51 30.65 | +69 27 45.8 | 17.0 | N | J38 |
| C/2009 Y1 | 2010 06 03.93267 | 08 51 30.65 | +69 27 45.7 | 17.0 | N | J38 |
| C/2009 Y1 | 2010 06 03.93464 | 08 51 30.59 | +69 27 44.6 | 017 | ||
| C/2009 Y1 | 2010 06 03.93766 | 08 51 30.66 | +69 27 44.1 | 017 | ||
| C/2009 Y1 | 2010 06 03.94067 | 08 51 30.73 | +69 27 43.6 | 017 |