| Name | Date/time | RA | Dec | Magnitude | Filter | Site Code |
|---|---|---|---|---|---|---|
| C/2012 B3 | 2012 03 16.42235 | 17 26 36.78 | +51 12 56.3 | 18.1 | T | H06 |
| C/2012 B3 | 2012 03 17.13608 | 17 26 34.12 | +51 33 40.9 | 18.5 | N | 213 |
| C/2012 B3 | 2012 03 17.13989 | 17 26 34.02 | +51 33 47.0 | 18.4 | T | 106 |
| C/2012 B3 | 2012 03 17.14628 | 17 26 34.11 | +51 33 58.5 | 18.8 | N | 213 |
| C/2012 B3 | 2012 03 17.15032 | 17 26 33.95 | +51 34 05.6 | 18.7 | T | 106 |
| C/2012 B3 | 2012 03 17.15598 | 17 26 34.20 | +51 34 14.8 | 18.2 | N | 213 |
| C/2012 B3 | 2012 03 17.16079 | 17 26 33.75 | +51 34 23.7 | 18.9 | T | 106 |
| C/2012 B3 | 2012 03 17.17115 | 17 26 33.72 | +51 34 42.0 | 18.9 | T | 106 |
| C/2012 B3 | 2012 03 22.16422 | 17 25 45.67 | +53 59 43.0 | 18.0 | N | C23 |
| C/2012 B3 | 2012 03 22.17578 | 17 25 45.64 | +54 00 03.9 | 18.0 | N | C23 |
| C/2012 B3 | 2012 03 22.18773 | 17 25 45.40 | +54 00 23.5 | 17.5 | N | C23 |
| C/2012 B3 | 2012 03 25.08659 | 17 24 51.32 | +55 24 18.6 | 204 | ||
| C/2012 B3 | 2012 03 25.09299 | 17 24 51.17 | +55 24 29.6 | 204 | ||
| C/2012 B3 | 2012 03 25.09934 | 17 24 51.02 | +55 24 40.5 | 18.2 | N | 204 |
| C/2012 B3 | 2012 03 25.65728 | 17 24 38.21 | +55 40 45.3 | 18.4 | T | 349 |
| C/2012 B3 | 2012 03 25.67061 | 17 24 37.93 | +55 41 09.1 | 349 | ||
| C/2012 B3 | 2012 03 26.05935 | 17 24 28.52 | +55 52 19.3 | 17.8 | N | 958 |
| C/2012 B3 | 2012 03 26.07375 | 17 24 28.13 | +55 52 45.0 | 18.0 | N | 958 |
| C/2012 B3 | 2012 03 26.08898 | 17 24 27.64 | +55 53 11.5 | 18.4 | N | 958 |
| C/2012 B3 | 2012 03 26.88614 | 17 24 07.06 | +56 16 04.5 | 18.1 | T | 215 |