| Name | Date/time | RA | Dec | Magnitude | Filter | Site Code |
|---|---|---|---|---|---|---|
| C/2009 Y1 | 2010 09 26.83643 | 13 36 43.47 | +72 09 04.1 | 15.0 | N | J38 |
| C/2009 Y1 | 2010 09 27.83169 | 13 42 40.63 | +72 09 24.9 | 15.1 | N | J38 |
| C/2009 Y1 | 2010 09 27.83674 | 13 42 42.41 | +72 09 24.8 | 15.1 | N | J38 |
| C/2009 Y1 | 2010 09 27.83802 | 13 42 42.91 | +72 09 24.8 | 15.1 | N | J38 |
| C/2009 Y1 | 2010 09 28.70288 | 13 47 57.25 | +72 09 23.8 | C32 | ||
| C/2009 Y1 | 2010 09 28.70612 | 13 47 58.44 | +72 09 23.7 | 14.3 | T | C32 |
| C/2009 Y1 | 2010 09 28.84663 | 13 48 49.93 | +72 09 21.6 | 15.0 | N | J38 |
| C/2009 Y1 | 2010 09 28.84789 | 13 48 50.39 | +72 09 21.5 | 15.1 | N | J38 |
| C/2009 Y1 | 2010 09 28.84917 | 13 48 50.89 | +72 09 21.6 | 15.1 | N | J38 |
| C/2009 Y1 | 2010 09 30.49138 | 13 58 59.02 | +72 08 20.7 | 367 | ||
| C/2009 Y1 | 2010 09 30.49572 | 13 59 00.63 | +72 08 20.2 | 367 | ||
| C/2009 Y1 | 2010 09 30.50006 | 13 59 02.27 | +72 08 20.1 | 14.1 | T | 367 |
| C/2009 Y1 | 2010 10 03.76183 | 14 19 45.85 | +72 02 36.0 | 15.4 | N | 215 |
| C/2009 Y1 | 2010 10 03.76271 | 14 19 46.20 | +72 02 35.8 | 15.3 | N | 215 |
| C/2009 Y1 | 2010 10 03.76359 | 14 19 46.55 | +72 02 35.7 | 15.3 | N | 215 |
| C/2009 Y1 | 2010 10 05.49513 | 14 31 03.07 | +71 57 17.5 | 900 | ||
| C/2009 Y1 | 2010 10 05.50226 | 14 31 05.92 | +71 57 16.1 | 14.5 | T | 900 |
| C/2009 Y1 | 2010 10 07.15043 | 14 41 58.62 | +71 50 40.2 | 15.6 | N | H10 |
| C/2009 Y1 | 2010 10 07.16229 | 14 42 03.35 | +71 50 37.0 | 15.7 | N | H10 |
| C/2009 Y1 | 2010 10 07.83346 | 14 46 31.30 | +71 47 29.3 | 15.0 | N | J38 |