| Name | Date/time | RA | Dec | Magnitude | Filter | Site Code |
|---|---|---|---|---|---|---|
| C/2009 Y1 | 2011 08 31.33990 | 22 55 59.08 | -18 36 50.8 | 15.8 | N | H47 |
| C/2009 Y1 | 2011 08 31.34594 | 22 55 58.57 | -18 36 59.9 | 15.8 | N | H47 |
| C/2009 Y1 | 2011 08 31.35209 | 22 55 58.00 | -18 37 09.3 | 15.4 | N | H47 |
| C/2009 Y1 | 2011 09 03.92786 | 22 50 36.19 | -20 06 22.0 | 15.6 | N | 585 |
| C/2009 Y1 | 2011 09 03.92856 | 22 50 36.14 | -20 06 22.4 | 15.6 | N | 585 |
| C/2009 Y1 | 2011 09 03.92927 | 22 50 36.05 | -20 06 23.2 | 15.7 | N | 585 |
| C/2009 Y1 | 2011 09 03.92998 | 22 50 35.98 | -20 06 24.0 | 15.7 | N | 585 |
| C/2009 Y1 | 2011 09 03.93068 | 22 50 35.96 | -20 06 25.0 | 15.7 | N | 585 |
| C/2009 Y1 | 2011 09 03.93218 | 22 50 35.84 | -20 06 27.6 | 15.7 | N | 585 |
| C/2009 Y1 | 2011 09 03.93289 | 22 50 35.73 | -20 06 28.1 | 15.6 | N | 585 |
| C/2009 Y1 | 2011 09 03.93360 | 22 50 35.65 | -20 06 30.2 | 15.7 | N | 585 |
| C/2009 Y1 | 2011 09 03.93431 | 22 50 35.57 | -20 06 30.7 | 15.7 | N | 585 |
| C/2009 Y1 | 2011 09 03.93557 | 22 50 35.53 | -20 06 32.7 | 15.7 | N | 585 |
| C/2009 Y1 | 2011 09 03.93627 | 22 50 35.47 | -20 06 33.4 | 15.7 | N | 585 |
| C/2009 Y1 | 2011 09 03.95045 | 22 50 34.23 | -20 06 53.2 | 17.0 | N | A71 |
| C/2009 Y1 | 2011 09 03.95331 | 22 50 33.96 | -20 06 58.6 | 17.1 | N | A71 |
| C/2009 Y1 | 2011 09 03.95570 | 22 50 33.79 | -20 07 01.9 | 15.4 | N | 958 |
| C/2009 Y1 | 2011 09 03.95618 | 22 50 33.73 | -20 07 02.1 | 17.1 | N | A71 |
| C/2009 Y1 | 2011 09 03.95904 | 22 50 33.44 | -20 07 06.8 | 17.1 | N | A71 |
| C/2009 Y1 | 2011 09 03.96197 | 22 50 33.18 | -20 07 09.8 | 17.3 | N | A71 |