| Name | Date/time | RA | Dec | Magnitude | Filter | Site Code |
|---|---|---|---|---|---|---|
| C/2009 Y1 | 2011 09 27.49610 | 22 18 25.73 | -27 56 46.4 | D95 | ||
| C/2009 Y1 | 2011 09 27.90640 | 22 17 57.20 | -28 02 59.5 | 15.7 | N | 958 |
| C/2009 Y1 | 2011 09 27.91427 | 22 17 56.79 | -28 03 06.5 | 15.9 | N | 958 |
| C/2009 Y1 | 2011 09 27.92240 | 22 17 56.30 | -28 03 13.4 | 15.7 | N | 958 |
| C/2009 Y1 | 2011 09 27.93185 | 22 17 55.55 | -28 03 21.6 | 15.8 | N | 958 |
| C/2009 Y1 | 2011 09 28.45510 | 22 17 19.98 | -28 11 10.6 | 15.9 | T | D95 |
| C/2009 Y1 | 2011 09 28.45725 | 22 17 19.80 | -28 11 13.2 | D95 | ||
| C/2009 Y1 | 2011 09 28.46153 | 22 17 19.52 | -28 11 16.8 | D95 | ||
| C/2009 Y1 | 2011 09 28.87460 | 22 16 51.61 | -28 17 23.3 | 16.0 | N | 958 |
| C/2009 Y1 | 2011 09 28.90659 | 22 16 49.32 | -28 17 50.4 | 15.9 | N | 958 |
| C/2009 Y1 | 2011 09 28.91464 | 22 16 48.97 | -28 17 58.1 | 16.1 | N | 958 |
| C/2009 Y1 | 2011 09 29.90349 | 22 15 43.11 | -28 32 16.7 | 15.9 | N | 958 |
| C/2009 Y1 | 2011 09 29.91129 | 22 15 42.57 | -28 32 22.6 | 16.0 | N | 958 |
| C/2009 Y1 | 2011 09 29.91962 | 22 15 41.94 | -28 32 30.2 | 16.0 | N | 958 |
| C/2009 Y1 | 2011 09 29.92887 | 22 15 41.28 | -28 32 39.8 | 15.7 | N | 958 |
| C/2009 Y1 | 2011 09 29.95354 | 22 15 39.61 | -28 32 58.8 | 15.9 | N | J38 |
| C/2009 Y1 | 2011 09 29.95714 | 22 15 39.38 | -28 33 01.5 | 15.9 | N | J38 |
| C/2009 Y1 | 2011 09 29.95894 | 22 15 39.31 | -28 33 03.1 | 15.9 | N | J38 |
| C/2009 Y1 | 2011 09 30.89514 | 22 14 38.59 | -28 46 14.8 | 15.9 | N | 958 |
| C/2009 Y1 | 2011 09 30.90323 | 22 14 37.92 | -28 46 21.4 | 16.0 | N | 958 |