| Name | Date/time | RA | Dec | Magnitude | Filter | Site Code |
|---|---|---|---|---|---|---|
| C/2009 Y1 | 2011 08 12.07078 | 23 23 31.20 | -09 56 23.4 | 15.4 | N | C29 |
| C/2009 Y1 | 2011 08 12.07691 | 23 23 30.71 | -09 56 33.3 | 15.5 | N | C29 |
| C/2009 Y1 | 2011 08 12.09080 | 23 23 29.58 | -09 56 56.5 | 16.1 | N | I93 |
| C/2009 Y1 | 2011 08 12.11522 | 23 23 27.69 | -09 57 36.5 | 16.1 | N | I93 |
| C/2009 Y1 | 2011 08 12.13548 | 23 23 26.07 | -09 58 09.8 | 16.2 | N | I93 |
| C/2009 Y1 | 2011 08 16.97235 | 23 16 57.04 | -12 11 22.7 | 15.3 | N | 958 |
| C/2009 Y1 | 2011 08 16.98137 | 23 16 56.24 | -12 11 38.9 | 15.6 | N | 958 |
| C/2009 Y1 | 2011 08 16.99039 | 23 16 55.44 | -12 11 54.5 | 15.5 | N | 958 |
| C/2009 Y1 | 2011 08 16.99862 | 23 16 54.81 | -12 12 07.0 | 15.4 | N | 958 |
| C/2009 Y1 | 2011 08 18.90078 | 23 14 15.57 | -13 04 32.4 | C32 | ||
| C/2009 Y1 | 2011 08 18.90623 | 23 14 15.08 | -13 04 39.8 | 16.4 | N | C32 |
| C/2009 Y1 | 2011 08 18.91164 | 23 14 14.59 | -13 04 49.0 | 13.6 | T | C32 |
| C/2009 Y1 | 2011 08 20.00076 | 23 12 42.10 | -13 34 45.2 | 15.3 | N | 958 |
| C/2009 Y1 | 2011 08 20.01344 | 23 12 40.98 | -13 35 06.0 | 15.2 | N | 958 |
| C/2009 Y1 | 2011 08 20.02608 | 23 12 39.89 | -13 35 26.7 | 15.3 | N | 958 |
| C/2009 Y1 | 2011 08 20.04859 | 23 12 37.93 | -13 36 03.7 | 15.3 | N | 958 |
| C/2009 Y1 | 2011 08 20.07295 | 23 12 35.85 | -13 36 43.6 | 15.0 | N | J24 |
| C/2009 Y1 | 2011 08 20.07839 | 23 12 35.42 | -13 36 52.8 | 15.1 | N | J24 |
| C/2009 Y1 | 2011 08 20.08307 | 23 12 34.97 | -13 37 00.2 | 15.0 | N | J24 |
| C/2009 Y1 | 2011 08 20.98462 | 23 11 17.74 | -14 01 43.2 | 15.4 | N | 958 |