| Name | Date/time | RA | Dec | Magnitude | Filter | Site Code |
|---|---|---|---|---|---|---|
| C/2009 Y1 | 2011 01 11.38101 | 21 19 33.61 | +34 02 41.5 | D92 | ||
| C/2009 Y1 | 2011 01 12.84515 | 21 22 21.59 | +33 32 37.8 | 14.8 | N | J38 |
| C/2009 Y1 | 2011 01 12.84860 | 21 22 22.00 | +33 32 33.9 | 14.9 | N | J38 |
| C/2009 Y1 | 2011 01 12.84974 | 21 22 22.11 | +33 32 32.4 | 14.9 | N | J38 |
| C/2009 Y1 | 2011 01 13.78209 | 21 24 07.76 | +33 13 45.5 | 14.9 | N | 958 |
| C/2009 Y1 | 2011 01 13.79111 | 21 24 08.81 | +33 13 34.3 | 14.8 | N | 958 |
| C/2009 Y1 | 2011 01 13.80060 | 21 24 09.87 | +33 13 23.0 | 14.9 | N | 958 |
| C/2009 Y1 | 2011 01 13.81046 | 21 24 10.97 | +33 13 11.1 | 14.9 | N | 958 |
| C/2009 Y1 | 2011 01 13.81958 | 21 24 12.00 | +33 13 00.2 | 14.8 | N | 958 |
| C/2009 Y1 | 2011 01 13.82715 | 21 24 12.86 | +33 12 51.4 | 15.1 | N | J38 |
| C/2009 Y1 | 2011 01 13.82853 | 21 24 13.01 | +33 12 49.9 | 15.1 | N | J38 |
| C/2009 Y1 | 2011 01 13.83002 | 21 24 13.20 | +33 12 47.7 | 15.0 | N | 958 |
| C/2009 Y1 | 2011 01 13.83127 | 21 24 13.32 | +33 12 46.5 | 15.1 | N | J38 |
| C/2009 Y1 | 2011 01 14.77947 | 21 25 59.71 | +32 53 58.5 | 14.7 | N | 958 |
| C/2009 Y1 | 2011 01 14.78867 | 21 26 00.74 | +32 53 47.6 | 14.6 | N | 958 |
| C/2009 Y1 | 2011 01 14.79910 | 21 26 01.93 | +32 53 35.1 | 14.7 | N | 958 |
| C/2009 Y1 | 2011 01 14.80867 | 21 26 02.99 | +32 53 23.9 | 14.7 | N | 958 |
| C/2009 Y1 | 2011 01 14.81924 | 21 26 04.16 | +32 53 11.3 | 14.7 | N | 958 |
| C/2009 Y1 | 2011 01 14.83032 | 21 26 05.41 | +32 52 58.3 | 14.7 | N | 958 |
| C/2009 Y1 | 2011 01 15.78045 | 21 27 51.00 | +32 34 26.3 | 14.7 | N | 958 |