| Name | Date/time | RA | Dec | Magnitude | Filter | Site Code |
|---|---|---|---|---|---|---|
| C/2009 Y1 | 2010 10 23.39039 | 16 30 22.31 | +69 09 47.8 | 15.0 | N | D92 |
| C/2009 Y1 | 2010 10 23.39389 | 16 30 23.56 | +69 09 44.0 | 14.6 | T | D95 |
| C/2009 Y1 | 2010 10 23.39491 | 16 30 24.03 | +69 09 43.4 | 14.7 | N | D92 |
| C/2009 Y1 | 2010 10 23.39816 | 16 30 25.31 | +69 09 39.8 | D95 | ||
| C/2009 Y1 | 2010 10 23.40030 | 16 30 26.05 | +69 09 37.9 | D95 | ||
| C/2009 Y1 | 2010 10 23.40244 | 16 30 26.85 | +69 09 35.8 | D95 | ||
| C/2009 Y1 | 2010 10 24.80404 | 16 39 22.39 | +68 46 51.7 | C32 | ||
| C/2009 Y1 | 2010 10 24.80644 | 16 39 23.39 | +68 46 49.7 | 15.4 | N | C32 |
| C/2009 Y1 | 2010 10 24.80863 | 16 39 24.19 | +68 46 47.1 | 13.8 | T | C32 |
| C/2009 Y1 | 2010 10 26.75787 | 16 51 34.95 | +68 12 54.6 | 14.6 | N | A77 |
| C/2009 Y1 | 2010 10 26.76408 | 16 51 37.28 | +68 12 47.9 | 14.6 | N | A77 |
| C/2009 Y1 | 2010 10 26.77028 | 16 51 39.55 | +68 12 40.9 | 14.6 | N | A77 |
| C/2009 Y1 | 2010 10 26.81769 | 16 51 57.05 | +68 11 49.0 | 15.1 | N | J38 |
| C/2009 Y1 | 2010 10 26.81862 | 16 51 57.39 | +68 11 47.9 | 15.1 | N | J38 |
| C/2009 Y1 | 2010 10 26.82143 | 16 51 58.43 | +68 11 44.8 | 15.1 | N | J38 |
| C/2009 Y1 | 2010 10 27.79511 | 16 57 56.90 | +67 53 45.9 | 15.0 | N | J08 |
| C/2009 Y1 | 2010 10 27.82412 | 16 58 07.44 | +67 53 12.9 | 14.9 | N | J08 |
| C/2009 Y1 | 2010 10 27.85668 | 16 58 19.34 | +67 52 35.7 | 14.9 | N | J08 |
| C/2009 Y1 | 2010 10 28.79215 | 17 03 58.64 | +67 34 41.7 | 14.9 | N | J38 |
| C/2009 Y1 | 2010 10 28.79307 | 17 03 59.01 | +67 34 40.8 | 14.9 | N | J38 |