| Name | Date/time | RA | Dec | Magnitude | Filter | Site Code |
|---|---|---|---|---|---|---|
| C/2009 Y1 | 2011 01 07.83124 | 21 12 36.06 | +35 18 27.7 | 14.4 | N | J38 |
| C/2009 Y1 | 2011 01 07.83441 | 21 12 36.45 | +35 18 23.2 | 14.9 | N | 958 |
| C/2009 Y1 | 2011 01 07.83612 | 21 12 36.65 | +35 18 21.4 | 14.3 | N | J38 |
| C/2009 Y1 | 2011 01 07.83948 | 21 12 37.03 | +35 18 16.7 | 14.4 | N | J38 |
| C/2009 Y1 | 2011 01 08.12403 | 21 13 11.04 | +35 12 03.1 | 14.8 | N | H16 |
| C/2009 Y1 | 2011 01 08.12619 | 21 13 11.30 | +35 12 00.4 | 14.8 | N | H16 |
| C/2009 Y1 | 2011 01 08.12955 | 21 13 11.71 | +35 11 55.8 | 14.8 | N | H16 |
| C/2009 Y1 | 2011 01 08.76358 | 21 14 27.21 | +34 58 09.0 | 14.7 | N | B82 |
| C/2009 Y1 | 2011 01 08.76436 | 21 14 27.33 | +34 58 08.3 | 14.7 | N | B82 |
| C/2009 Y1 | 2011 01 08.76749 | 21 14 27.72 | +34 58 04.0 | 14.7 | N | B82 |
| C/2009 Y1 | 2011 01 09.73456 | 21 16 22.04 | +34 37 17.6 | 15.8 | N | C23 |
| C/2009 Y1 | 2011 01 09.74747 | 21 16 23.53 | +34 37 01.2 | 15.7 | N | C23 |
| C/2009 Y1 | 2011 01 09.76257 | 21 16 25.26 | +34 36 42.0 | 16.1 | N | C23 |
| C/2009 Y1 | 2011 01 09.77521 | 21 16 26.76 | +34 36 25.6 | 15.9 | N | C23 |
| C/2009 Y1 | 2011 01 09.77602 | 21 16 26.74 | +34 36 26.6 | 14.8 | N | 958 |
| C/2009 Y1 | 2011 01 09.78503 | 21 16 27.79 | +34 36 14.8 | 14.8 | N | 958 |
| C/2009 Y1 | 2011 01 09.80402 | 21 16 30.00 | +34 35 50.4 | 14.9 | N | 958 |
| C/2009 Y1 | 2011 01 09.81324 | 21 16 31.15 | +34 35 38.8 | 14.8 | N | 958 |
| C/2009 Y1 | 2011 01 09.82347 | 21 16 32.28 | +34 35 25.3 | 14.7 | N | 958 |
| C/2009 Y1 | 2011 01 11.37649 | 21 19 33.14 | +34 02 47.2 | 14.8 | T | D92 |