| Name | Date/time | RA | Dec | Magnitude | Filter | Site Code |
|---|---|---|---|---|---|---|
| C/2009 Y1 | 2010 01 24.46184 | 12 13 43.41 | +55 46 41.6 | 19.4 | T | 704 |
| C/2009 Y1 | 2010 01 24.47329 | 12 13 43.27 | +55 46 56.0 | 19.1 | T | 704 |
| C/2009 Y1 | 2010 01 24.66977 | 12 13 38.64 | +55 50 56.3 | 18.8 | T | 900 |
| C/2009 Y1 | 2010 01 24.68037 | 12 13 38.37 | +55 51 09.5 | 900 | ||
| C/2009 Y1 | 2010 01 24.70691 | 12 13 37.76 | +55 51 42.1 | 18.4 | N | 372 |
| C/2009 Y1 | 2010 01 25.34343 | 12 13 21.71 | +56 04 40.6 | 18.7 | T | H45 |
| C/2009 Y1 | 2010 01 25.34481 | 12 13 21.69 | +56 04 43.0 | 19.0 | T | H45 |
| C/2009 Y1 | 2010 01 25.34659 | 12 13 21.69 | +56 04 46.1 | 18.9 | T | H45 |
| C/2009 Y1 | 2010 01 25.34951 | 12 13 21.65 | +56 04 48.7 | 18.8 | T | H45 |
| C/2009 Y1 | 2010 01 25.35187 | 12 13 21.55 | +56 04 51.8 | 18.8 | T | H45 |
| C/2009 Y1 | 2010 01 25.35405 | 12 13 21.51 | +56 04 54.5 | 18.9 | T | H45 |
| C/2009 Y1 | 2010 02 05.93679 | 12 05 48.68 | +60 02 10.7 | 18.5 | N | B49 |
| C/2009 Y1 | 2010 02 05.95537 | 12 05 47.46 | +60 02 32.7 | 18.7 | N | B49 |
| C/2009 Y1 | 2010 02 05.97007 | 12 05 46.70 | +60 02 51.9 | 18.3 | N | B49 |
| C/2009 Y1 | 2010 02 06.62056 | 12 05 11.28 | +60 16 06.2 | 17.4 | N | 372 |
| C/2009 Y1 | 2010 02 07.04837 | 12 04 46.92 | +60 24 46.5 | 18.7 | N | B18 |
| C/2009 Y1 | 2010 02 07.05117 | 12 04 46.76 | +60 24 49.9 | 18.6 | N | B18 |
| C/2009 Y1 | 2010 02 07.05397 | 12 04 46.60 | +60 24 53.2 | 18.7 | N | B18 |
| C/2009 Y1 | 2010 02 07.66480 | 12 04 11.54 | +60 37 14.8 | 18.2 | N | D93 |
| C/2009 Y1 | 2010 02 07.66690 | 12 04 11.37 | +60 37 16.6 | 18.3 | N | D93 |