| Name | Date/time | RA | Dec | Magnitude | Filter | Site Code |
|---|---|---|---|---|---|---|
| C/2009 Y1 | 2011 02 05.76375 | 22 03 09.30 | +26 52 42.9 | 15.1 | N | 215 |
| C/2009 Y1 | 2011 02 05.76463 | 22 03 09.45 | +26 52 42.2 | 15.2 | N | 215 |
| C/2009 Y1 | 2011 02 05.76569 | 22 03 09.53 | +26 52 40.3 | 14.7 | N | 215 |
| C/2009 Y1 | 2011 02 06.03339 | 22 03 34.17 | +26 49 05.8 | 15.2 | T | H45 |
| C/2009 Y1 | 2011 02 06.03509 | 22 03 34.33 | +26 49 04.2 | 15.1 | T | H45 |
| C/2009 Y1 | 2011 02 06.03598 | 22 03 34.40 | +26 49 03.4 | 15.1 | T | H45 |
| C/2009 Y1 | 2011 02 06.03741 | 22 03 34.54 | +26 49 02.2 | 15.2 | T | H45 |
| C/2009 Y1 | 2011 02 08.40000 | 22 07 10.49 | +26 18 01.6 | 14.3 | T | D95 |
| C/2009 Y1 | 2011 02 08.40213 | 22 07 10.72 | +26 18 00.4 | D95 | ||
| C/2009 Y1 | 2011 02 08.77930 | 22 07 44.88 | +26 13 11.1 | 14.6 | N | 958 |
| C/2009 Y1 | 2011 02 08.79949 | 22 07 46.73 | +26 12 55.1 | 15.1 | N | 958 |
| C/2009 Y1 | 2011 02 08.81946 | 22 07 48.46 | +26 12 39.9 | 15.0 | N | 958 |
| C/2009 Y1 | 2011 02 13.38542 | 22 14 33.37 | +25 16 45.9 | 14.5 | T | 349 |
| C/2009 Y1 | 2011 02 13.38907 | 22 14 33.69 | +25 16 43.4 | 349 | ||
| C/2009 Y1 | 2011 02 13.39003 | 22 14 33.70 | +25 16 43.7 | 14.3 | T | D95 |
| C/2009 Y1 | 2011 02 16.39212 | 22 18 52.51 | +24 42 20.5 | 14.3 | T | D95 |
| C/2009 Y1 | 2011 02 16.39356 | 22 18 52.61 | +24 42 19.5 | D95 | ||
| C/2009 Y1 | 2011 02 16.39934 | 22 18 53.11 | +24 42 16.5 | D95 | ||
| C/2009 Y1 | 2011 02 16.40079 | 22 18 53.27 | +24 42 15.3 | D95 | ||
| C/2009 Y1 | 2011 02 16.70816 | 22 19 19.42 | +24 38 49.7 | 14.5 | N | 585 |