| Name | Date/time | RA | Dec | Magnitude | Filter | Site Code |
|---|---|---|---|---|---|---|
| C/2009 Y1 | 2011 06 25.11016 | 23 57 58.80 | +07 24 44.4 | 15.7 | N | 958 |
| C/2009 Y1 | 2011 06 26.38344 | 23 57 48.10 | +07 05 58.6 | 15.7 | N | H10 |
| C/2009 Y1 | 2011 06 26.38689 | 23 57 48.07 | +07 05 55.6 | H10 | ||
| C/2009 Y1 | 2011 06 26.39060 | 23 57 48.02 | +07 05 52.2 | 14.3 | T | H10 |
| C/2009 Y1 | 2011 06 27.07220 | 23 57 41.15 | +06 55 37.9 | 15.4 | N | 958 |
| C/2009 Y1 | 2011 06 27.08392 | 23 57 41.08 | +06 55 26.5 | 15.1 | N | 958 |
| C/2009 Y1 | 2011 06 27.09521 | 23 57 41.02 | +06 55 16.7 | 15.3 | N | 958 |
| C/2009 Y1 | 2011 06 27.38328 | 23 57 38.03 | +06 50 55.3 | 16.1 | N | H47 |
| C/2009 Y1 | 2011 06 27.38985 | 23 57 37.94 | +06 50 49.4 | 16.0 | N | H47 |
| C/2009 Y1 | 2011 06 27.39781 | 23 57 37.85 | +06 50 42.1 | 16.0 | N | H47 |
| C/2009 Y1 | 2011 06 30.39555 | 23 56 59.44 | +06 03 49.1 | 15.9 | N | H47 |
| C/2009 Y1 | 2011 06 30.39803 | 23 56 59.38 | +06 03 46.7 | 16.0 | N | H47 |
| C/2009 Y1 | 2011 07 01.07496 | 23 56 49.02 | +05 52 48.6 | 15.7 | N | 958 |
| C/2009 Y1 | 2011 07 01.08549 | 23 56 48.74 | +05 52 37.9 | 15.7 | N | 958 |
| C/2009 Y1 | 2011 07 01.09673 | 23 56 48.57 | +05 52 27.4 | 15.5 | N | 958 |
| C/2009 Y1 | 2011 07 01.38658 | 23 56 43.99 | +05 47 44.4 | H06 | ||
| C/2009 Y1 | 2011 07 01.38943 | 23 56 43.94 | +05 47 41.6 | H06 | ||
| C/2009 Y1 | 2011 07 01.39228 | 23 56 43.90 | +05 47 38.9 | 13.8 | T | H06 |
| C/2009 Y1 | 2011 07 02.08295 | 23 56 32.25 | +05 36 14.4 | 15.9 | N | 958 |
| C/2009 Y1 | 2011 07 02.09373 | 23 56 32.08 | +05 36 04.2 | 15.7 | N | 958 |