| Name | Date/time | RA | Dec | Magnitude | Filter | Site Code |
|---|---|---|---|---|---|---|
| C/2009 Y1 | 2010 11 28.87727 | 19 28 43.25 | +53 38 50.0 | 14.6 | N | 945 |
| C/2009 Y1 | 2010 11 28.87904 | 19 28 43.58 | +53 38 47.2 | 14.6 | N | 945 |
| C/2009 Y1 | 2010 11 28.88043 | 19 28 43.86 | +53 38 44.7 | 14.6 | N | 945 |
| C/2009 Y1 | 2010 11 28.88385 | 19 28 44.57 | +53 38 37.9 | 14.6 | N | 945 |
| C/2009 Y1 | 2010 11 29.00777 | 19 29 10.25 | +53 34 50.6 | 13.5 | N | H45 |
| C/2009 Y1 | 2010 11 29.00952 | 19 29 10.60 | +53 34 47.4 | 13.4 | N | H45 |
| C/2009 Y1 | 2010 11 29.01106 | 19 29 10.86 | +53 34 44.9 | 13.6 | N | H45 |
| C/2009 Y1 | 2010 11 29.01300 | 19 29 11.32 | +53 34 41.0 | 13.5 | N | H45 |
| C/2009 Y1 | 2010 11 29.01387 | 19 29 11.48 | +53 34 39.3 | 13.6 | N | H45 |
| C/2009 Y1 | 2010 11 29.01528 | 19 29 11.75 | +53 34 36.7 | 13.6 | N | H45 |
| C/2009 Y1 | 2010 11 29.47455 | 19 30 46.50 | +53 20 25.6 | 367 | ||
| C/2009 Y1 | 2010 11 29.47744 | 19 30 47.08 | +53 20 20.2 | 367 | ||
| C/2009 Y1 | 2010 11 29.48034 | 19 30 47.67 | +53 20 14.7 | 13.7 | T | 367 |
| C/2009 Y1 | 2010 11 29.88416 | 19 32 10.42 | +53 07 46.1 | 14.5 | T | 958 |
| C/2009 Y1 | 2010 11 29.90385 | 19 32 14.49 | +53 07 09.4 | 14.5 | T | 958 |
| C/2009 Y1 | 2010 11 29.91682 | 19 32 17.09 | +53 06 45.3 | 14.5 | T | 958 |
| C/2009 Y1 | 2010 11 30.36304 | 19 33 47.81 | +52 53 02.0 | 16.4 | N | D93 |
| C/2009 Y1 | 2010 11 30.36419 | 19 33 48.03 | +52 52 59.9 | 16.4 | N | D93 |
| C/2009 Y1 | 2010 11 30.36534 | 19 33 48.27 | +52 52 57.4 | 16.4 | N | D93 |
| C/2009 Y1 | 2010 11 30.74785 | 19 35 05.59 | +52 41 08.3 | 14.2 | N | C36 |