| Name | Date/time | RA | Dec | Magnitude | Filter | Site Code |
|---|---|---|---|---|---|---|
| C/2009 Y1 | 2011 01 25.82827 | 21 45 32.77 | +29 35 18.7 | 14.6 | N | J38 |
| C/2009 Y1 | 2011 01 25.83092 | 21 45 33.03 | +29 35 16.1 | 14.7 | N | J38 |
| C/2009 Y1 | 2011 01 25.83224 | 21 45 33.14 | +29 35 14.6 | 14.6 | N | J38 |
| C/2009 Y1 | 2011 01 27.06375 | 21 47 36.90 | +29 15 19.7 | 15.1 | T | H45 |
| C/2009 Y1 | 2011 01 27.06486 | 21 47 37.01 | +29 15 18.7 | 15.2 | T | H45 |
| C/2009 Y1 | 2011 01 27.06689 | 21 47 37.21 | +29 15 16.4 | 15.1 | T | H45 |
| C/2009 Y1 | 2011 01 27.06829 | 21 47 37.36 | +29 15 14.9 | 15.1 | T | H45 |
| C/2009 Y1 | 2011 01 27.06941 | 21 47 37.47 | +29 15 13.9 | 15.0 | T | H45 |
| C/2009 Y1 | 2011 01 27.07060 | 21 47 37.59 | +29 15 12.9 | 15.1 | T | H45 |
| C/2009 Y1 | 2011 01 28.72824 | 21 50 22.21 | +28 49 05.1 | 14.8 | N | B82 |
| C/2009 Y1 | 2011 01 28.72902 | 21 50 22.30 | +28 49 03.9 | 14.8 | N | B82 |
| C/2009 Y1 | 2011 01 28.72980 | 21 50 22.37 | +28 49 02.8 | 14.8 | N | B82 |
| C/2009 Y1 | 2011 01 28.73137 | 21 50 22.54 | +28 49 01.4 | 14.8 | N | B82 |
| C/2009 Y1 | 2011 01 28.73859 | 21 50 23.27 | +28 48 54.9 | 15.1 | N | C28 |
| C/2009 Y1 | 2011 01 28.76784 | 21 50 26.16 | +28 48 28.0 | 13.7 | N | C28 |
| C/2009 Y1 | 2011 01 28.80074 | 21 50 29.46 | +28 47 56.5 | 14.5 | N | C28 |
| C/2009 Y1 | 2011 01 29.72785 | 21 52 00.40 | +28 33 40.7 | 15.0 | N | C28 |
| C/2009 Y1 | 2011 01 29.73584 | 21 52 01.16 | +28 33 33.7 | 14.7 | N | B82 |
| C/2009 Y1 | 2011 01 29.73664 | 21 52 01.24 | +28 33 32.8 | 14.8 | N | B82 |
| C/2009 Y1 | 2011 01 29.73745 | 21 52 01.30 | +28 33 32.1 | 14.7 | N | B82 |