| Name | Date/time | RA | Dec | Magnitude | Filter | Site Code |
|---|---|---|---|---|---|---|
| C/2009 Y1 | 2011 09 30.91158 | 22 14 37.36 | -28 46 28.2 | 15.8 | N | 958 |
| C/2009 Y1 | 2011 09 30.92111 | 22 14 36.70 | -28 46 35.8 | 15.8 | N | 958 |
| C/2009 Y1 | 2011 09 30.92441 | 22 14 36.64 | -28 46 39.0 | 16.1 | N | J38 |
| C/2009 Y1 | 2011 09 30.92654 | 22 14 36.47 | -28 46 40.2 | 15.8 | N | J38 |
| C/2009 Y1 | 2011 09 30.93400 | 22 14 35.85 | -28 46 46.3 | 16.0 | N | J38 |
| C/2009 Y1 | 2011 10 01.90003 | 22 13 34.56 | -29 00 00.8 | 16.0 | N | 958 |
| C/2009 Y1 | 2011 10 01.90823 | 22 13 34.03 | -29 00 07.7 | 16.0 | N | 958 |
| C/2009 Y1 | 2011 10 01.91645 | 22 13 33.48 | -29 00 14.2 | 15.9 | N | 958 |
| C/2009 Y1 | 2011 10 01.92590 | 22 13 32.87 | -29 00 22.3 | 15.9 | N | 958 |
| C/2009 Y1 | 2011 10 02.90970 | 22 12 31.79 | -29 13 28.2 | 16.0 | N | 958 |
| C/2009 Y1 | 2011 10 02.91739 | 22 12 31.43 | -29 13 34.0 | 16.1 | N | 958 |
| C/2009 Y1 | 2011 10 02.92563 | 22 12 30.97 | -29 13 40.7 | 16.1 | N | 958 |
| C/2009 Y1 | 2011 10 02.93434 | 22 12 30.24 | -29 13 46.4 | 16.0 | N | 958 |
| C/2009 Y1 | 2011 10 03.88576 | 22 11 32.86 | -29 26 04.4 | 16.2 | N | 958 |
| C/2009 Y1 | 2011 10 03.89397 | 22 11 32.25 | -29 26 11.2 | 16.1 | N | 958 |
| C/2009 Y1 | 2011 10 03.90217 | 22 11 31.61 | -29 26 19.2 | 16.2 | N | 958 |
| C/2009 Y1 | 2011 10 03.91120 | 22 11 31.18 | -29 26 26.1 | 16.1 | N | 958 |
| C/2009 Y1 | 2011 10 04.48536 | 22 10 57.13 | -29 33 41.4 | 367 | ||
| C/2009 Y1 | 2011 10 04.48970 | 22 10 56.89 | -29 33 44.6 | 367 | ||
| C/2009 Y1 | 2011 10 04.49404 | 22 10 56.62 | -29 33 47.8 | 15.5 | T | 367 |