| Name | Date/time | RA | Dec | Magnitude | Filter | Site Code |
|---|---|---|---|---|---|---|
| C/2009 Y1 | 2011 09 09.95245 | 22 41 41.34 | -22 27 10.3 | 15.3 | N | J24 |
| C/2009 Y1 | 2011 09 09.95558 | 22 41 41.08 | -22 27 14.5 | 15.2 | N | J24 |
| C/2009 Y1 | 2011 09 09.96455 | 22 41 40.22 | -22 27 26.2 | 15.9 | N | J24 |
| C/2009 Y1 | 2011 09 09.96499 | 22 41 40.18 | -22 27 28.4 | 15.4 | N | 958 |
| C/2009 Y1 | 2011 09 09.97296 | 22 41 39.53 | -22 27 38.4 | 15.3 | N | 958 |
| C/2009 Y1 | 2011 09 09.98118 | 22 41 38.86 | -22 27 49.6 | 15.4 | N | 958 |
| C/2009 Y1 | 2011 09 09.99009 | 22 41 38.03 | -22 28 00.1 | 15.3 | N | 958 |
| C/2009 Y1 | 2011 09 10.56078 | 22 40 48.29 | -22 40 39.9 | 14.7 | T | 349 |
| C/2009 Y1 | 2011 09 10.56875 | 22 40 47.58 | -22 40 50.2 | 349 | ||
| C/2009 Y1 | 2011 09 10.57670 | 22 40 46.86 | -22 41 01.0 | 349 | ||
| C/2009 Y1 | 2011 09 11.77567 | 22 39 02.80 | -23 07 07.0 | 15.8 | N | D90 |
| C/2009 Y1 | 2011 09 11.77920 | 22 39 02.48 | -23 07 10.8 | 15.4 | N | D90 |
| C/2009 Y1 | 2011 09 11.78275 | 22 39 02.11 | -23 07 14.0 | 15.8 | N | D90 |
| C/2009 Y1 | 2011 09 11.96067 | 22 38 47.01 | -23 11 11.3 | 15.4 | N | 958 |
| C/2009 Y1 | 2011 09 11.97288 | 22 38 46.06 | -23 11 25.5 | 15.5 | N | 958 |
| C/2009 Y1 | 2011 09 11.98537 | 22 38 44.91 | -23 11 41.8 | 15.5 | N | 958 |
| C/2009 Y1 | 2011 09 13.83095 | 22 36 07.24 | -23 50 44.5 | C32 | ||
| C/2009 Y1 | 2011 09 13.83575 | 22 36 06.81 | -23 50 50.8 | C32 | ||
| C/2009 Y1 | 2011 09 13.84088 | 22 36 06.38 | -23 50 57.3 | 16.2 | N | C32 |
| C/2009 Y1 | 2011 09 13.85385 | 22 36 05.27 | -23 51 13.3 | 14.2 | T | C32 |