| Name | Date/time | RA | Dec | Magnitude | Filter | Site Code |
|---|---|---|---|---|---|---|
| C/2012 B3 | 2012 04 24.85281 | 16 45 13.04 | +68 43 48.8 | C32 | ||
| C/2012 B3 | 2012 04 26.85097 | 16 39 59.13 | +69 25 12.8 | 18.2 | N | B42 |
| C/2012 B3 | 2012 04 26.85383 | 16 39 58.85 | +69 25 16.0 | 18.2 | N | B42 |
| C/2012 B3 | 2012 04 26.85668 | 16 39 58.31 | +69 25 19.6 | 18.1 | N | B42 |
| C/2012 B3 | 2012 04 26.85953 | 16 39 57.79 | +69 25 22.7 | 18.3 | N | B42 |
| C/2012 B3 | 2012 04 26.86238 | 16 39 57.44 | +69 25 26.4 | 18.1 | N | B42 |
| C/2012 B3 | 2012 04 26.92505 | 16 39 47.10 | +69 26 43.3 | 19.3 | N | C73 |
| C/2012 B3 | 2012 04 26.92666 | 16 39 46.89 | +69 26 45.3 | 19.3 | N | C73 |
| C/2012 B3 | 2012 04 26.92827 | 16 39 46.58 | +69 26 46.6 | 18.7 | N | C73 |
| C/2012 B3 | 2012 04 26.93149 | 16 39 46.05 | +69 26 50.4 | 18.5 | N | C73 |
| C/2012 B3 | 2012 04 26.93390 | 16 39 45.66 | +69 26 54.1 | 19.2 | N | C73 |
| C/2012 B3 | 2012 04 26.93551 | 16 39 45.43 | +69 26 55.9 | 18.9 | N | C73 |
| C/2012 B3 | 2012 04 26.93711 | 16 39 45.06 | +69 26 58.0 | 18.7 | N | C73 |
| C/2012 B3 | 2012 04 28.01504 | 16 36 45.13 | +69 48 29.0 | 19.1 | N | C47 |
| C/2012 B3 | 2012 04 28.02352 | 16 36 43.69 | +69 48 39.0 | 19.1 | N | C47 |
| C/2012 B3 | 2012 04 28.02916 | 16 36 42.76 | +69 48 45.2 | 19.0 | N | C47 |
| C/2012 B3 | 2012 04 28.08037 | 16 36 33.89 | +69 49 45.9 | 18.5 | N | 130 |
| C/2012 B3 | 2012 04 28.08188 | 16 36 33.62 | +69 49 47.1 | 17.9 | N | 130 |
| C/2012 B3 | 2012 04 28.08339 | 16 36 33.31 | +69 49 48.8 | 18.4 | N | 130 |
| C/2012 B3 | 2012 04 28.08490 | 16 36 33.02 | +69 49 50.7 | 18.1 | N | 130 |