| Name | Date/time | RA | Dec | Magnitude | Filter | Site Code |
|---|---|---|---|---|---|---|
| C/2009 Y1 | 2011 08 27.95660 | 23 01 03.45 | -17 09 15.4 | 16.0 | N | J59 |
| C/2009 Y1 | 2011 08 27.96305 | 23 01 02.84 | -17 09 25.9 | 15.9 | N | J59 |
| C/2009 Y1 | 2011 08 27.97038 | 23 01 02.20 | -17 09 37.2 | 15.1 | N | J52 |
| C/2009 Y1 | 2011 08 27.97596 | 23 01 01.71 | -17 09 45.9 | 15.2 | N | J52 |
| C/2009 Y1 | 2011 08 27.97838 | 23 01 01.48 | -17 09 49.6 | 15.1 | N | J52 |
| C/2009 Y1 | 2011 08 28.03534 | 23 00 56.27 | -17 11 20.1 | 15.3 | N | 958 |
| C/2009 Y1 | 2011 08 28.04356 | 23 00 55.57 | -17 11 32.8 | 15.3 | N | 958 |
| C/2009 Y1 | 2011 08 28.05177 | 23 00 54.80 | -17 11 45.9 | 15.3 | N | 958 |
| C/2009 Y1 | 2011 08 28.06081 | 23 00 53.99 | -17 12 00.2 | 15.3 | N | 958 |
| C/2009 Y1 | 2011 08 28.36737 | 23 00 26.42 | -17 20 01.9 | 15.8 | N | H47 |
| C/2009 Y1 | 2011 08 28.37356 | 23 00 25.88 | -17 20 11.3 | 15.5 | N | H47 |
| C/2009 Y1 | 2011 08 28.37899 | 23 00 25.35 | -17 20 20.6 | 15.8 | N | H47 |
| C/2009 Y1 | 2011 08 28.94073 | 22 59 35.06 | -17 35 01.5 | 16.4 | N | 585 |
| C/2009 Y1 | 2011 08 28.94144 | 22 59 35.04 | -17 35 02.6 | 16.4 | N | 585 |
| C/2009 Y1 | 2011 08 28.94215 | 22 59 34.95 | -17 35 04.0 | 16.3 | N | 585 |
| C/2009 Y1 | 2011 08 28.94356 | 22 59 34.84 | -17 35 06.0 | 16.3 | N | 585 |
| C/2009 Y1 | 2011 08 28.94427 | 22 59 34.74 | -17 35 06.1 | 16.4 | N | 585 |
| C/2009 Y1 | 2011 08 28.94498 | 22 59 34.65 | -17 35 08.0 | 16.4 | N | 585 |
| C/2009 Y1 | 2011 08 28.94640 | 22 59 34.62 | -17 35 10.6 | 16.3 | N | 585 |
| C/2009 Y1 | 2011 08 28.94770 | 22 59 34.41 | -17 35 11.9 | 16.3 | N | 585 |