| Name | Date/time | RA | Dec | Magnitude | Filter | Site Code |
|---|---|---|---|---|---|---|
| C/2009 Y1 | 2011 09 03.96360 | 22 50 33.06 | -20 07 13.8 | 15.3 | N | 958 |
| C/2009 Y1 | 2011 09 03.97205 | 22 50 32.29 | -20 07 25.9 | 15.3 | N | 958 |
| C/2009 Y1 | 2011 09 03.98096 | 22 50 31.45 | -20 07 39.0 | 15.3 | N | 958 |
| C/2009 Y1 | 2011 09 05.96106 | 22 47 34.12 | -20 55 17.8 | 15.5 | N | 958 |
| C/2009 Y1 | 2011 09 05.96940 | 22 47 33.42 | -20 55 29.7 | 15.5 | N | 958 |
| C/2009 Y1 | 2011 09 05.97360 | 22 47 33.08 | -20 55 35.0 | 15.4 | N | J38 |
| C/2009 Y1 | 2011 09 05.97602 | 22 47 32.85 | -20 55 38.5 | 15.4 | N | J38 |
| C/2009 Y1 | 2011 09 05.97761 | 22 47 32.72 | -20 55 41.8 | 15.4 | N | 958 |
| C/2009 Y1 | 2011 09 05.97964 | 22 47 32.54 | -20 55 43.8 | 15.4 | N | J38 |
| C/2009 Y1 | 2011 09 05.98618 | 22 47 31.88 | -20 55 53.1 | 15.3 | N | 958 |
| C/2009 Y1 | 2011 09 06.52803 | 22 46 43.68 | -21 08 41.1 | 14.8 | T | D95 |
| C/2009 Y1 | 2011 09 06.53017 | 22 46 43.50 | -21 08 44.1 | D95 | ||
| C/2009 Y1 | 2011 09 06.53444 | 22 46 43.13 | -21 08 50.1 | D95 | ||
| C/2009 Y1 | 2011 09 07.00019 | 22 46 01.56 | -21 19 46.2 | 15.8 | N | 958 |
| C/2009 Y1 | 2011 09 07.00836 | 22 46 00.78 | -21 19 55.8 | 15.6 | N | 958 |
| C/2009 Y1 | 2011 09 07.01657 | 22 46 00.13 | -21 20 08.8 | 15.7 | N | 958 |
| C/2009 Y1 | 2011 09 07.02173 | 22 45 59.68 | -21 20 15.7 | 15.3 | N | J38 |
| C/2009 Y1 | 2011 09 07.02295 | 22 45 59.57 | -21 20 17.3 | 15.4 | N | J38 |
| C/2009 Y1 | 2011 09 07.02509 | 22 45 59.31 | -21 20 20.1 | 15.3 | N | I99 |
| C/2009 Y1 | 2011 09 07.02565 | 22 45 59.31 | -21 20 20.2 | 15.7 | N | 958 |