| Name | Date/time | RA | Dec | Magnitude | Filter | Site Code |
|---|---|---|---|---|---|---|
| C/2009 Y1 | 2009 12 27.22705 | 12 14 00.72 | +46 58 03.5 | 19.0 | N | A77 |
| C/2009 Y1 | 2009 12 27.25238 | 12 14 01.19 | +46 58 32.2 | 19.1 | N | A77 |
| C/2009 Y1 | 2009 12 28.42845 | 12 14 21.05 | +47 17 53.5 | 19.0 | T | H45 |
| C/2009 Y1 | 2009 12 28.43063 | 12 14 21.08 | +47 17 55.2 | 19.1 | T | H45 |
| C/2009 Y1 | 2009 12 28.43206 | 12 14 21.10 | +47 17 55.6 | 19.0 | T | H45 |
| C/2009 Y1 | 2009 12 28.43409 | 12 14 21.10 | +47 17 58.8 | 19.0 | T | H45 |
| C/2009 Y1 | 2009 12 28.43626 | 12 14 21.18 | +47 18 00.9 | 19.0 | T | H45 |
| C/2009 Y1 | 2009 12 28.43778 | 12 14 21.20 | +47 18 02.7 | 19.1 | T | H45 |
| C/2009 Y1 | 2009 12 28.43870 | 12 14 21.21 | +47 18 03.7 | 19.1 | T | H45 |
| C/2009 Y1 | 2009 12 29.15069 | 12 14 32.51 | +47 29 56.3 | 18.9 | T | 473 |
| C/2009 Y1 | 2009 12 29.15347 | 12 14 32.55 | +47 29 59.2 | 18.9 | T | 473 |
| C/2009 Y1 | 2009 12 29.17522 | 12 14 32.86 | +47 30 20.6 | 19.5 | N | 461 |
| C/2009 Y1 | 2009 12 29.18122 | 12 14 32.95 | +47 30 26.8 | 461 | ||
| C/2009 Y1 | 2009 12 29.18727 | 12 14 33.03 | +47 30 33.0 | 461 | ||
| C/2009 Y1 | 2009 12 29.73961 | 12 14 41.46 | +47 39 48.6 | 900 | ||
| C/2009 Y1 | 2009 12 29.75022 | 12 14 41.73 | +47 39 59.0 | 17.3 | T | 900 |
| C/2009 Y1 | 2010 01 06.77806 | 12 16 05.10 | +50 01 24.2 | 18.7 | T | 349 |
| C/2009 Y1 | 2010 01 06.79861 | 12 16 05.14 | +50 01 46.6 | 349 | ||
| C/2009 Y1 | 2010 01 07.66117 | 12 16 09.66 | +50 17 38.3 | 18.0 | N | 372 |
| C/2009 Y1 | 2010 01 07.66819 | 12 16 09.62 | +50 17 46.0 | 18.0 | N | 372 |