| Name | Date/time | RA | Dec | Magnitude | Filter | Site Code |
|---|---|---|---|---|---|---|
| C/2012 S3 | 2012 10 22.80749 | 19 43 47.01 | +57 31 17.6 | 17.3 | N | C23 |
| C/2012 S3 | 2012 10 23.86834 | 19 43 53.00 | +57 05 58.8 | 18.4 | N | 958 |
| C/2012 S3 | 2012 10 23.88146 | 19 43 53.25 | +57 05 41.0 | 18.5 | N | 958 |
| C/2012 S3 | 2012 10 23.89457 | 19 43 53.05 | +57 05 19.9 | 18.5 | N | 958 |
| C/2012 S3 | 2012 10 27.80905 | 19 44 33.06 | +55 31 59.2 | 17.3 | N | C23 |
| C/2012 S3 | 2012 10 27.82316 | 19 44 33.33 | +55 31 39.8 | 17.5 | N | C23 |
| C/2012 S3 | 2012 10 27.83022 | 19 44 33.34 | +55 31 27.8 | 17.7 | N | C23 |
| C/2012 S3 | 2012 11 07.06362 | 19 48 06.50 | +51 29 49.9 | 19.2 | T | 704 |
| C/2012 S3 | 2012 11 07.07838 | 19 48 06.88 | +51 29 29.7 | 19.3 | T | 704 |
| C/2012 S3 | 2012 11 07.09309 | 19 48 07.34 | +51 29 09.1 | 19.8 | T | 704 |
| C/2012 S3 | 2012 11 07.10809 | 19 48 07.75 | +51 28 48.7 | 19.7 | T | 704 |
| C/2012 S3 | 2012 11 11.80462 | 19 50 29.14 | +49 40 26.5 | 19.9 | N | 561 |
| C/2012 S3 | 2012 11 11.80832 | 19 50 29.30 | +49 40 20.1 | 19.6 | N | 561 |
| C/2012 S3 | 2012 11 11.85326 | 19 50 30.69 | +49 39 19.1 | 20.9 | N | 561 |
| C/2012 S3 | 2012 11 11.85698 | 19 50 30.89 | +49 39 14.2 | 20.0 | N | 561 |
| C/2012 S3 | 2012 11 18.04473 | 19 54 11.61 | +47 20 14.1 | 19.1 | N | H45 |
| C/2012 S3 | 2012 11 18.04629 | 19 54 11.75 | +47 20 11.9 | 19.0 | N | H45 |
| C/2012 S3 | 2012 11 18.04785 | 19 54 11.76 | +47 20 09.8 | 19.1 | N | H45 |
| C/2012 S3 | 2012 11 18.04861 | 19 54 11.81 | +47 20 09.5 | 19.0 | N | H45 |
| C/2012 S3 | 2012 11 18.04979 | 19 54 11.85 | +47 20 07.2 | 18.9 | N | H45 |