| Name | Date/time | RA | Dec | Magnitude | Filter | Site Code |
|---|---|---|---|---|---|---|
| C/2015 X4 | 2015 12 03.48520 | 06 02 39.78 | +21 36 39.3 | 18.2 | R | H15 |
| C/2015 X4 | 2015 12 03.49480 | 06 02 39.41 | +21 36 33.5 | 17.8 | R | H15 |
| C/2015 X4 | 2015 12 03.50440 | 06 02 39.05 | +21 36 28.0 | 18.0 | R | H15 |
| C/2015 X4 | 2015 12 03.64308 | 06 02 34.42 | +21 35 18.6 | 17.9 | R | Q60 |
| C/2015 X4 | 2015 12 03.65027 | 06 02 34.21 | +21 35 15.5 | 18.0 | R | Q60 |
| C/2015 X4 | 2015 12 03.65565 | 06 02 33.99 | +21 35 11.6 | 18.1 | R | Q60 |
| C/2015 X4 | 2015 12 03.72564 | 06 02 31.62 | +21 34 35.2 | 17.9 | R | Q62 |
| C/2015 X4 | 2015 12 03.72574 | 06 02 31.59 | +21 34 35.4 | Q62 | ||
| C/2015 X4 | 2015 12 03.72747 | 06 02 31.56 | +21 34 34.1 | 18.3 | R | Q62 |
| C/2015 X4 | 2015 12 03.72778 | 06 02 31.52 | +21 34 34.0 | Q62 | ||
| C/2015 X4 | 2015 12 03.72791 | 06 02 31.54 | +21 34 33.9 | 17.9 | R | Q62 |
| C/2015 X4 | 2015 12 03.72979 | 06 02 31.46 | +21 34 32.4 | 16.5 | w | Q62 |
| C/2015 X4 | 2015 12 03.73019 | 06 02 31.47 | +21 34 32.2 | 18.5 | R | Q62 |
| C/2015 X4 | 2015 12 03.80036 | 06 02 29.13 | +21 33 52.0 | 18.0 | R | O75 |
| C/2015 X4 | 2015 12 03.80110 | 06 02 29.10 | +21 33 51.3 | 18.0 | R | O75 |
| C/2015 X4 | 2015 12 03.80793 | 06 02 28.86 | +21 33 47.9 | 18.7 | R | O75 |
| C/2015 X4 | 2015 12 03.82692 | 06 02 28.34 | +21 33 37.1 | 18.1 | V | C43 |
| C/2015 X4 | 2015 12 03.82992 | 06 02 28.10 | +21 33 36.2 | 17.3 | R | O75 |
| C/2015 X4 | 2015 12 03.83066 | 06 02 28.19 | +21 33 35.2 | 18.2 | V | C43 |
| C/2015 X4 | 2015 12 03.83448 | 06 02 27.92 | +21 33 34.2 | 17.4 | R | O75 |