| Name | Date/time | RA | Dec | Magnitude | Filter | Site Code |
|---|---|---|---|---|---|---|
| C/2009 Y1 | 2011 07 02.10426 | 23 56 31.92 | +05 35 53.8 | 15.6 | N | 958 |
| C/2009 Y1 | 2011 07 03.09689 | 23 56 14.03 | +05 19 15.8 | 15.7 | N | 958 |
| C/2009 Y1 | 2011 07 03.10810 | 23 56 13.63 | +05 19 05.5 | 15.8 | N | 958 |
| C/2009 Y1 | 2011 07 04.09458 | 23 55 54.58 | +05 02 15.8 | 16.3 | N | 958 |
| C/2009 Y1 | 2011 07 04.10403 | 23 55 54.41 | +05 02 06.0 | 15.6 | N | 958 |
| C/2009 Y1 | 2011 07 04.11347 | 23 55 54.09 | +05 01 56.1 | 16.5 | N | 958 |
| C/2009 Y1 | 2011 07 05.08268 | 23 55 33.89 | +04 45 06.5 | 15.8 | N | 958 |
| C/2009 Y1 | 2011 07 05.08397 | 23 55 33.83 | +04 45 04.3 | 15.2 | N | A77 |
| C/2009 Y1 | 2011 07 05.08708 | 23 55 33.75 | +04 45 01.1 | 15.2 | N | A77 |
| C/2009 Y1 | 2011 07 05.09018 | 23 55 33.68 | +04 44 57.7 | 15.2 | N | A77 |
| C/2009 Y1 | 2011 07 05.09386 | 23 55 33.64 | +04 44 54.9 | 15.8 | N | 958 |
| C/2009 Y1 | 2011 07 05.10488 | 23 55 33.40 | +04 44 43.3 | 15.8 | N | 958 |
| C/2009 Y1 | 2011 07 08.08405 | 23 54 22.26 | +03 51 07.6 | 15.6 | N | 958 |
| C/2009 Y1 | 2011 07 08.08455 | 23 54 22.24 | +03 51 07.1 | 15.6 | N | 958 |
| C/2009 Y1 | 2011 07 08.09514 | 23 54 21.97 | +03 50 55.1 | 15.6 | N | 958 |
| C/2009 Y1 | 2011 07 08.09621 | 23 54 21.90 | +03 50 53.9 | 15.6 | N | 958 |
| C/2009 Y1 | 2011 07 08.10485 | 23 54 21.69 | +03 50 44.7 | 15.7 | N | 958 |
| C/2009 Y1 | 2011 07 08.10695 | 23 54 21.62 | +03 50 42.3 | 15.7 | N | 958 |
| C/2009 Y1 | 2011 07 09.02552 | 23 53 56.93 | +03 33 36.9 | 15.3 | T | 583 |
| C/2009 Y1 | 2011 07 09.02838 | 23 53 56.82 | +03 33 33.2 | 15.3 | T | 583 |