| Name | Date/time | RA | Dec | Magnitude | Filter | Site Code |
|---|---|---|---|---|---|---|
| C/2009 Y1 | 2011 07 09.03028 | 23 53 56.76 | +03 33 31.3 | 15.7 | T | 583 |
| C/2009 Y1 | 2011 07 09.08216 | 23 53 55.43 | +03 32 32.2 | 15.4 | N | 939 |
| C/2009 Y1 | 2011 07 09.08683 | 23 53 55.30 | +03 32 27.5 | 15.3 | N | 939 |
| C/2009 Y1 | 2011 07 09.09149 | 23 53 55.17 | +03 32 22.4 | 15.3 | N | 939 |
| C/2009 Y1 | 2011 07 10.12686 | 23 53 25.69 | +03 12 44.7 | 15.5 | N | 232 |
| C/2009 Y1 | 2011 07 10.13080 | 23 53 25.57 | +03 12 40.2 | 15.5 | N | 232 |
| C/2009 Y1 | 2011 07 10.13472 | 23 53 25.45 | +03 12 35.6 | 15.5 | N | 232 |
| C/2009 Y1 | 2011 07 10.70843 | 23 53 08.52 | +03 01 34.4 | 14.8 | T | D95 |
| C/2009 Y1 | 2011 07 10.71271 | 23 53 08.40 | +03 01 29.7 | D95 | ||
| C/2009 Y1 | 2011 07 10.71698 | 23 53 08.24 | +03 01 25.2 | D95 | ||
| C/2009 Y1 | 2011 07 11.01700 | 23 52 59.12 | +02 55 36.4 | 15.1 | T | 583 |
| C/2009 Y1 | 2011 07 11.01858 | 23 52 59.05 | +02 55 34.7 | 15.0 | T | 583 |
| C/2009 Y1 | 2011 07 11.01896 | 23 52 59.04 | +02 55 34.4 | 14.9 | T | 583 |
| C/2009 Y1 | 2011 07 11.02118 | 23 52 58.98 | +02 55 31.4 | 15.1 | T | 583 |
| C/2009 Y1 | 2011 07 12.01243 | 23 52 27.94 | +02 36 07.5 | 15.7 | N | 958 |
| C/2009 Y1 | 2011 07 12.02470 | 23 52 27.71 | +02 35 53.9 | 15.6 | N | 958 |
| C/2009 Y1 | 2011 07 12.03497 | 23 52 27.31 | +02 35 41.2 | 15.7 | N | 958 |
| C/2009 Y1 | 2011 07 12.08809 | 23 52 25.52 | +02 34 38.1 | 15.7 | N | B51 |
| C/2009 Y1 | 2011 07 12.09770 | 23 52 25.18 | +02 34 26.5 | 15.8 | N | B51 |
| C/2009 Y1 | 2011 07 12.10659 | 23 52 24.89 | +02 34 15.8 | 15.7 | N | B51 |
