| Name | Date/time | RA | Dec | Magnitude | Filter | Site Code |
|---|---|---|---|---|---|---|
| C/2009 Y1 | 2010 11 25.12250 | 19 15 16.70 | +55 34 16.2 | 13.6 | T | H10 |
| C/2009 Y1 | 2010 11 26.82780 | 19 21 29.66 | +54 41 58.5 | 14.8 | N | J38 |
| C/2009 Y1 | 2010 11 26.82865 | 19 21 29.84 | +54 41 56.9 | 14.7 | N | J38 |
| C/2009 Y1 | 2010 11 26.83036 | 19 21 30.21 | +54 41 53.8 | 14.8 | N | J38 |
| C/2009 Y1 | 2010 11 27.40835 | 19 23 34.04 | +54 24 07.2 | 14.6 | N | D92 |
| C/2009 Y1 | 2010 11 27.41174 | 19 23 34.81 | +54 24 01.4 | 14.4 | N | D92 |
| C/2009 Y1 | 2010 11 27.73491 | 19 24 43.50 | +54 14 03.2 | 15.1 | N | C36 |
| C/2009 Y1 | 2010 11 27.73578 | 19 24 43.65 | +54 14 01.3 | 15.0 | N | C36 |
| C/2009 Y1 | 2010 11 27.73666 | 19 24 43.85 | +54 14 00.0 | 14.9 | N | C36 |
| C/2009 Y1 | 2010 11 27.73840 | 19 24 44.23 | +54 13 56.8 | 15.0 | N | C36 |
| C/2009 Y1 | 2010 11 27.74103 | 19 24 44.79 | +54 13 51.8 | 14.9 | N | C36 |
| C/2009 Y1 | 2010 11 27.74628 | 19 24 45.89 | +54 13 42.1 | 15.3 | N | C36 |
| C/2009 Y1 | 2010 11 27.74716 | 19 24 46.07 | +54 13 40.3 | 15.3 | N | C36 |
| C/2009 Y1 | 2010 11 27.74892 | 19 24 46.45 | +54 13 37.0 | 15.0 | N | C36 |
| C/2009 Y1 | 2010 11 27.74979 | 19 24 46.64 | +54 13 35.5 | 14.7 | N | C36 |
| C/2009 Y1 | 2010 11 27.75304 | 19 24 47.47 | +54 13 29.2 | 15.0 | N | C23 |
| C/2009 Y1 | 2010 11 27.76215 | 19 24 49.42 | +54 13 12.6 | 15.0 | N | C23 |
| C/2009 Y1 | 2010 11 27.77204 | 19 24 51.45 | +54 12 54.2 | 15.1 | N | C23 |
| C/2009 Y1 | 2010 11 27.78333 | 19 24 53.87 | +54 12 33.2 | 15.0 | N | C23 |
| C/2009 Y1 | 2010 11 28.87047 | 19 28 41.84 | +53 39 03.3 | 14.6 | N | 945 |