| Name | Date/time | RA | Dec | Magnitude | Filter | Site Code |
|---|---|---|---|---|---|---|
| C/2009 Y1 | 2009 12 17.51495 | 12 10 29.85 | +44 28 31.3 | 19.4 | N | 703 |
| C/2009 Y1 | 2009 12 17.51972 | 12 10 29.96 | +44 28 35.6 | 19.5 | N | 703 |
| C/2009 Y1 | 2009 12 17.52454 | 12 10 30.03 | +44 28 39.0 | 19.5 | N | 703 |
| C/2009 Y1 | 2009 12 17.52933 | 12 10 30.21 | +44 28 43.7 | 19.6 | N | 703 |
| C/2009 Y1 | 2009 12 18.40380 | 12 10 52.47 | +44 41 23.0 | 20.2 | T | H06 |
| C/2009 Y1 | 2009 12 18.40936 | 12 10 52.63 | +44 41 28.2 | 19.8 | T | H06 |
| C/2009 Y1 | 2009 12 18.41492 | 12 10 52.75 | +44 41 33.6 | 19.6 | T | H06 |
| C/2009 Y1 | 2009 12 18.42197 | 12 10 52.98 | +44 41 39.8 | 19.3 | T | H01 |
| C/2009 Y1 | 2009 12 18.42757 | 12 10 53.10 | +44 41 44.7 | 19.3 | T | H01 |
| C/2009 Y1 | 2009 12 18.43539 | 12 10 53.30 | +44 41 51.6 | 19.1 | T | H01 |
| C/2009 Y1 | 2009 12 18.44324 | 12 10 53.49 | +44 41 58.5 | 19.3 | T | H01 |
| C/2009 Y1 | 2009 12 18.45459 | 12 10 53.78 | +44 42 08.4 | 19.1 | T | H01 |
| C/2009 Y1 | 2009 12 19.13974 | 12 11 10.59 | +44 52 10.1 | J95 | ||
| C/2009 Y1 | 2009 12 19.14356 | 12 11 10.76 | +44 52 14.1 | J95 | ||
| C/2009 Y1 | 2009 12 19.14816 | 12 11 10.85 | +44 52 18.3 | 19.6 | N | J95 |
| C/2009 Y1 | 2009 12 19.54961 | 12 11 20.54 | +44 58 14.9 | 19.3 | N | G96 |
| C/2009 Y1 | 2009 12 19.55003 | 12 11 20.52 | +44 58 15.2 | 19.3 | N | G96 |
| C/2009 Y1 | 2009 12 19.55045 | 12 11 20.55 | +44 58 15.6 | 19.3 | N | G96 |
| C/2009 Y1 | 2009 12 19.55085 | 12 11 20.55 | +44 58 16.0 | 19.4 | N | G96 |
| C/2009 Y1 | 2009 12 19.99652 | 12 11 31.36 | +45 04 52.5 | 19.4 | N | 473 |
