| Name | Date/time | RA | Dec | Magnitude | Filter | Site Code |
|---|---|---|---|---|---|---|
| C/2009 Y1 | 2010 10 17.82459 | 15 53 49.87 | +70 25 51.1 | 15.0 | N | J08 |
| C/2009 Y1 | 2010 10 17.88612 | 15 54 13.99 | +70 25 08.1 | 16.5 | N | A06 |
| C/2009 Y1 | 2010 10 17.89123 | 15 54 15.92 | +70 25 03.3 | 16.1 | N | A06 |
| C/2009 Y1 | 2010 10 17.89634 | 15 54 18.06 | +70 25 01.2 | 16.4 | N | A06 |
| C/2009 Y1 | 2010 10 18.85076 | 16 00 40.10 | +70 13 31.6 | 14.8 | N | J38 |
| C/2009 Y1 | 2010 10 18.85282 | 16 00 40.91 | +70 13 30.2 | 14.8 | N | J38 |
| C/2009 Y1 | 2010 10 18.85491 | 16 00 41.78 | +70 13 28.6 | 14.8 | N | J38 |
| C/2009 Y1 | 2010 10 19.78911 | 16 06 53.53 | +70 01 35.7 | 14.9 | N | J97 |
| C/2009 Y1 | 2010 10 19.79969 | 16 06 57.74 | +70 01 27.3 | 15.0 | N | J97 |
| C/2009 Y1 | 2010 10 19.80936 | 16 07 01.51 | +70 01 19.5 | 15.0 | N | J97 |
| C/2009 Y1 | 2010 10 19.85614 | 16 07 20.14 | +70 00 42.0 | 14.8 | N | J38 |
| C/2009 Y1 | 2010 10 19.85718 | 16 07 20.56 | +70 00 41.1 | 14.8 | N | J38 |
| C/2009 Y1 | 2010 10 19.85821 | 16 07 20.97 | +70 00 40.2 | 14.9 | N | J38 |
| C/2009 Y1 | 2010 10 21.78158 | 16 19 58.40 | +69 34 05.6 | 15.1 | N | B82 |
| C/2009 Y1 | 2010 10 21.78940 | 16 20 01.43 | +69 33 58.6 | 15.0 | N | B82 |
| C/2009 Y1 | 2010 10 21.79728 | 16 20 04.52 | +69 33 51.5 | 15.1 | N | B82 |
| C/2009 Y1 | 2010 10 21.81416 | 16 20 11.09 | +69 33 37.2 | 15.0 | N | J38 |
| C/2009 Y1 | 2010 10 21.81810 | 16 20 12.59 | +69 33 33.9 | 15.1 | N | J38 |
| C/2009 Y1 | 2010 10 21.81909 | 16 20 12.97 | +69 33 33.0 | 15.0 | N | J38 |
| C/2009 Y1 | 2010 10 23.38588 | 16 30 20.54 | +69 09 52.0 | 14.7 | N | D92 |