| Name | Date/time | RA | Dec | Magnitude | Filter | Site Code |
|---|---|---|---|---|---|---|
| C/2009 Y1 | 2011 01 29.76442 | 21 52 04.03 | +28 33 06.4 | 14.7 | N | C28 |
| C/2009 Y1 | 2011 01 29.77904 | 21 52 05.44 | +28 32 50.6 | 14.9 | N | C28 |
| C/2009 Y1 | 2011 01 30.73091 | 21 53 38.06 | +28 18 30.1 | 15.1 | N | C28 |
| C/2009 Y1 | 2011 01 30.73689 | 21 53 38.66 | +28 18 24.5 | 14.8 | N | B82 |
| C/2009 Y1 | 2011 01 30.73845 | 21 53 38.81 | +28 18 23.1 | 14.8 | N | B82 |
| C/2009 Y1 | 2011 01 30.73924 | 21 53 38.89 | +28 18 22.5 | 14.8 | N | B82 |
| C/2009 Y1 | 2011 01 30.76382 | 21 53 41.30 | +28 18 00.0 | 15.2 | N | C28 |
| C/2009 Y1 | 2011 02 01.74788 | 21 56 52.13 | +27 48 47.1 | 204 | ||
| C/2009 Y1 | 2011 02 01.76860 | 21 56 54.10 | +27 48 29.0 | 204 | ||
| C/2009 Y1 | 2011 02 01.78142 | 21 56 55.36 | +27 48 17.8 | 14.7 | N | 204 |
| C/2009 Y1 | 2011 02 03.40652 | 21 59 29.35 | +27 25 07.9 | 14.5 | T | D95 |
| C/2009 Y1 | 2011 02 03.40866 | 21 59 29.57 | +27 25 06.2 | D95 | ||
| C/2009 Y1 | 2011 02 03.41294 | 21 59 29.96 | +27 25 03.1 | D95 | ||
| C/2009 Y1 | 2011 02 03.41507 | 21 59 30.16 | +27 25 00.9 | D95 | ||
| C/2009 Y1 | 2011 02 04.38973 | 22 01 01.58 | +27 11 26.8 | 14.3 | T | D95 |
| C/2009 Y1 | 2011 02 04.39188 | 22 01 01.86 | +27 11 25.2 | D95 | ||
| C/2009 Y1 | 2011 02 04.39616 | 22 01 02.23 | +27 11 20.6 | D95 | ||
| C/2009 Y1 | 2011 02 04.39830 | 22 01 02.34 | +27 11 20.5 | D95 | ||
| C/2009 Y1 | 2011 02 04.78189 | 22 01 38.24 | +27 06 03.2 | 15.6 | N | 958 |
| C/2009 Y1 | 2011 02 04.79848 | 22 01 39.71 | +27 05 49.7 | 15.5 | N | 958 |