| Name | Date/time | RA | Dec | Magnitude | Filter | Site Code |
|---|---|---|---|---|---|---|
| C/2012 B3 | 2012 04 28.62905 | 16 34 59.32 | +70 00 29.0 | 900 | ||
| C/2012 B3 | 2012 04 28.64333 | 16 34 56.85 | +70 00 45.2 | 17.9 | T | 900 |
| C/2012 B3 | 2012 05 04.29718 | 16 16 50.27 | +71 42 01.3 | 18.5 | T | 704 |
| C/2012 B3 | 2012 05 04.30758 | 16 16 48.07 | +71 42 09.6 | 19.0 | T | 704 |
| C/2012 B3 | 2012 05 04.31792 | 16 16 45.93 | +71 42 19.1 | 19.2 | T | 704 |
| C/2012 B3 | 2012 05 04.32829 | 16 16 43.92 | +71 42 29.4 | 19.0 | T | 704 |
| C/2012 B3 | 2012 05 04.33866 | 16 16 41.41 | +71 42 40.2 | 19.2 | T | 704 |
| C/2012 B3 | 2012 05 13.03074 | 15 42 30.49 | +73 41 55.6 | 17.3 | N | C23 |
| C/2012 B3 | 2012 05 13.03795 | 15 42 28.60 | +73 41 59.7 | 17.3 | N | C23 |
| C/2012 B3 | 2012 05 13.04517 | 15 42 26.65 | +73 42 04.6 | 17.1 | N | C23 |
| C/2012 B3 | 2012 05 17.00881 | 15 24 46.54 | +74 20 26.6 | 18.5 | N | B96 |
| C/2012 B3 | 2012 05 17.01104 | 15 24 45.52 | +74 20 29.6 | 18.4 | N | B96 |
| C/2012 B3 | 2012 05 17.01326 | 15 24 44.81 | +74 20 29.2 | 18.1 | N | B96 |
| C/2012 B3 | 2012 05 17.01549 | 15 24 44.46 | +74 20 29.3 | 18.8 | N | B96 |
| C/2012 B3 | 2012 05 17.01771 | 15 24 44.27 | +74 20 30.3 | 18.4 | N | B96 |
| C/2012 B3 | 2012 05 17.01994 | 15 24 43.24 | +74 20 32.4 | 18.3 | N | B96 |
| C/2012 B3 | 2012 05 18.74625 | 15 16 44.20 | +74 33 58.3 | 900 | ||
| C/2012 B3 | 2012 05 18.75695 | 15 16 41.67 | +74 34 03.4 | 18.2 | T | 900 |
| C/2012 B3 | 2012 05 23.26351 | 14 55 27.38 | +74 59 54.8 | 18.9 | T | H45 |
| C/2012 B3 | 2012 05 23.26559 | 14 55 26.97 | +74 59 54.9 | 18.8 | T | H45 |