| Name | Date/time | RA | Dec | Magnitude | Filter | Site Code |
|---|---|---|---|---|---|---|
| C/2012 X1 | 2013 04 27.91440 | 08 34 53.58 | +40 39 16.8 | 17.1 | N | 958 |
| C/2012 X1 | 2013 04 27.92155 | 08 34 53.71 | +40 39 16.4 | 17.0 | N | 958 |
| C/2012 X1 | 2013 04 27.92873 | 08 34 53.77 | +40 39 15.7 | 17.3 | N | 958 |
| C/2012 X1 | 2013 04 27.93588 | 08 34 54.04 | +40 39 15.0 | 17.2 | N | 958 |
| C/2012 X1 | 2013 04 28.53037 | 08 35 06.28 | +40 38 15.0 | 900 | ||
| C/2012 X1 | 2013 04 28.53752 | 08 35 06.45 | +40 38 14.6 | 17.1 | T | 900 |
| C/2012 X1 | 2013 04 29.13979 | 08 35 19.28 | +40 37 12.6 | 17.5 | T | H45 |
| C/2012 X1 | 2013 04 29.14224 | 08 35 19.32 | +40 37 12.2 | 17.6 | T | H45 |
| C/2012 X1 | 2013 04 29.14365 | 08 35 19.34 | +40 37 12.1 | 17.5 | T | H45 |
| C/2012 X1 | 2013 04 29.14512 | 08 35 19.39 | +40 37 11.6 | 17.6 | T | H45 |
| C/2012 X1 | 2013 04 29.14734 | 08 35 19.44 | +40 37 11.3 | 17.6 | T | H45 |
| C/2012 X1 | 2013 04 29.14852 | 08 35 19.45 | +40 37 11.3 | 17.6 | T | H45 |
| C/2012 X1 | 2013 04 29.82194 | 08 35 34.32 | +40 35 59.6 | 17.5 | N | 071 |
| C/2012 X1 | 2013 04 29.82566 | 08 35 34.38 | +40 36 00.0 | 17.3 | N | 071 |
| C/2012 X1 | 2013 04 29.82937 | 08 35 34.47 | +40 36 00.3 | 17.3 | N | 071 |
| C/2012 X1 | 2013 04 29.83309 | 08 35 34.53 | +40 35 59.7 | 17.3 | N | 071 |
| C/2012 X1 | 2013 04 29.83681 | 08 35 34.64 | +40 35 59.0 | 17.3 | N | 071 |
| C/2012 X1 | 2013 04 30.79211 | 08 35 56.67 | +40 34 15.2 | 16.5 | T | C32 |
| C/2012 X1 | 2013 04 30.79604 | 08 35 56.76 | +40 34 14.6 | 17.3 | N | C32 |
| C/2012 X1 | 2013 05 01.88574 | 08 36 23.18 | +40 32 13.6 | 17.2 | N | I57 |