| Name | Date/time | RA | Dec | Magnitude | Filter | Site Code |
|---|---|---|---|---|---|---|
| C/2009 Y1 | 2010 01 12.43902 | 12 16 14.63 | +51 47 41.9 | 18.0 | T | H10 |
| C/2009 Y1 | 2010 01 12.44312 | 12 16 14.65 | +51 47 46.3 | 18.2 | T | H10 |
| C/2009 Y1 | 2010 01 12.44742 | 12 16 14.68 | +51 47 51.1 | 18.4 | T | H10 |
| C/2009 Y1 | 2010 01 12.45147 | 12 16 14.63 | +51 47 54.9 | 17.3 | T | H10 |
| C/2009 Y1 | 2010 01 16.17231 | 12 15 54.74 | +53 00 16.1 | 18.7 | N | 157 |
| C/2009 Y1 | 2010 01 16.17758 | 12 15 54.76 | +53 00 22.7 | 18.6 | N | 157 |
| C/2009 Y1 | 2010 01 18.97797 | 12 15 24.65 | +53 55 53.7 | 204 | ||
| C/2009 Y1 | 2010 01 18.98320 | 12 15 24.56 | +53 55 59.9 | 18.3 | N | 204 |
| C/2009 Y1 | 2010 01 18.99097 | 12 15 24.47 | +53 56 09.6 | 18.3 | N | 473 |
| C/2009 Y1 | 2010 01 18.99375 | 12 15 24.43 | +53 56 13.2 | 18.3 | N | 473 |
| C/2009 Y1 | 2010 01 19.92115 | 12 15 11.43 | +54 14 46.8 | 18.0 | T | 215 |
| C/2009 Y1 | 2010 01 19.92238 | 12 15 11.41 | +54 14 48.0 | 215 | ||
| C/2009 Y1 | 2010 01 23.78161 | 12 13 59.28 | +55 32 50.8 | 18.5 | T | 349 |
| C/2009 Y1 | 2010 01 23.79328 | 12 13 58.98 | +55 33 04.9 | 349 | ||
| C/2009 Y1 | 2010 01 24.07685 | 12 13 52.61 | +55 38 50.7 | 19.0 | T | 561 |
| C/2009 Y1 | 2010 01 24.08322 | 12 13 52.43 | +55 38 58.2 | 18.5 | T | 561 |
| C/2009 Y1 | 2010 01 24.08704 | 12 13 52.40 | +55 39 03.5 | 18.8 | T | 561 |
| C/2009 Y1 | 2010 01 24.42765 | 12 13 44.47 | +55 46 00.6 | 18.7 | T | 704 |
| C/2009 Y1 | 2010 01 24.43905 | 12 13 44.04 | +55 46 13.8 | 19.3 | T | 704 |
| C/2009 Y1 | 2010 01 24.45044 | 12 13 43.84 | +55 46 28.1 | 19.1 | T | 704 |
