| Name | Date/time | RA | Dec | Magnitude | Filter | Site Code |
|---|---|---|---|---|---|---|
| C/2012 B3 | 2012 02 27.08038 | 17 23 01.91 | +42 32 09.1 | 18.6 | N | A71 |
| C/2012 B3 | 2012 02 27.16918 | 17 23 03.98 | +42 34 34.8 | 118 | ||
| C/2012 B3 | 2012 02 27.17486 | 17 23 04.13 | +42 34 45.3 | 118 | ||
| C/2012 B3 | 2012 02 27.18059 | 17 23 04.25 | +42 34 54.7 | 118 | ||
| C/2012 B3 | 2012 02 27.47811 | 17 23 11.21 | +42 43 04.4 | 18.5 | T | 704 |
| C/2012 B3 | 2012 02 27.50509 | 17 23 11.97 | +42 43 48.8 | 19.1 | T | 704 |
| C/2012 B3 | 2012 02 27.51928 | 17 23 12.33 | +42 44 11.3 | 18.9 | T | 704 |
| C/2012 B3 | 2012 02 29.13192 | 17 23 48.58 | +43 28 31.5 | 18.2 | N | 958 |
| C/2012 B3 | 2012 02 29.14722 | 17 23 48.96 | +43 28 56.1 | 17.9 | N | 958 |
| C/2012 B3 | 2012 02 29.16265 | 17 23 48.96 | +43 29 23.6 | 18.4 | N | 958 |
| C/2012 B3 | 2012 03 11.15964 | 17 26 27.03 | +48 40 34.2 | 18.3 | N | 213 |
| C/2012 B3 | 2012 03 11.17622 | 17 26 27.16 | +48 41 03.1 | 18.9 | N | 213 |
| C/2012 B3 | 2012 03 11.19495 | 17 26 27.21 | +48 41 35.5 | 18.9 | N | 213 |
| C/2012 B3 | 2012 03 13.95609 | 17 26 38.23 | +50 01 23.9 | C32 | ||
| C/2012 B3 | 2012 03 13.96832 | 17 26 38.40 | +50 01 44.7 | 17.6 | T | C32 |
| C/2012 B3 | 2012 03 13.98078 | 17 26 38.34 | +50 02 07.0 | C32 | ||
| C/2012 B3 | 2012 03 15.66231 | 17 26 38.56 | +50 50 50.2 | 18.2 | N | 900 |
| C/2012 B3 | 2012 03 15.67245 | 17 26 38.43 | +50 51 09.4 | 17.8 | N | 900 |
| C/2012 B3 | 2012 03 16.41786 | 17 26 36.79 | +51 12 48.6 | H06 | ||
| C/2012 B3 | 2012 03 16.42010 | 17 26 36.79 | +51 12 52.5 | H06 |