| Name | Date/time | RA | Dec | Magnitude | Filter | Site Code |
|---|---|---|---|---|---|---|
| C/2009 Y1 | 2011 06 11.41345 | 23 57 47.20 | +10 20 25.7 | 15.4 | N | H10 |
| C/2009 Y1 | 2011 06 11.41932 | 23 57 47.25 | +10 20 21.7 | 15.3 | N | H10 |
| C/2009 Y1 | 2011 06 11.71310 | 23 57 49.79 | +10 17 03.3 | 15.5 | T | D95 |
| C/2009 Y1 | 2011 06 11.71530 | 23 57 49.82 | +10 17 01.7 | D95 | ||
| C/2009 Y1 | 2011 06 11.71969 | 23 57 49.85 | +10 16 58.6 | D95 | ||
| C/2009 Y1 | 2011 06 12.07825 | 23 57 52.88 | +10 12 54.3 | 15.3 | N | C10 |
| C/2009 Y1 | 2011 06 12.08493 | 23 57 52.91 | +10 12 49.6 | 15.3 | N | C10 |
| C/2009 Y1 | 2011 06 12.09082 | 23 57 52.94 | +10 12 45.7 | 15.3 | N | C10 |
| C/2009 Y1 | 2011 06 12.11093 | 23 57 53.11 | +10 12 31.7 | 15.2 | N | 958 |
| C/2009 Y1 | 2011 06 12.12246 | 23 57 53.16 | +10 12 24.5 | 15.1 | N | 958 |
| C/2009 Y1 | 2011 06 12.13396 | 23 57 53.23 | +10 12 15.6 | 15.2 | N | 958 |
| C/2009 Y1 | 2011 06 12.37550 | 23 57 55.18 | +10 09 33.4 | 17.9 | T | 704 |
| C/2009 Y1 | 2011 06 12.38576 | 23 57 55.33 | +10 09 25.1 | 18.0 | T | 704 |
| C/2009 Y1 | 2011 06 12.39602 | 23 57 55.33 | +10 09 17.7 | 18.9 | T | 704 |
| C/2009 Y1 | 2011 06 12.40646 | 23 57 55.54 | +10 09 07.3 | 17.3 | T | 704 |
| C/2009 Y1 | 2011 06 12.41292 | 23 57 55.51 | +10 09 05.8 | 15.3 | N | H47 |
| C/2009 Y1 | 2011 06 12.41650 | 23 57 55.56 | +10 09 03.1 | 15.3 | N | H47 |
| C/2009 Y1 | 2011 06 12.41974 | 23 57 55.57 | +10 09 01.1 | 15.2 | N | H47 |
| C/2009 Y1 | 2011 06 12.42286 | 23 57 55.60 | +10 08 58.8 | 15.1 | N | H47 |
| C/2009 Y1 | 2011 06 13.41226 | 23 58 02.74 | +09 57 32.6 | 15.2 | N | H47 |