| Name | Date/time | RA | Dec | Magnitude | Filter | Site Code |
|---|---|---|---|---|---|---|
| C/2015 XY1 | 2017 12 13.74772 | 06 28 30.40 | +18 41 42.0 | Q11 | ||
| C/2015 XY1 | 2017 12 13.76127 | 06 28 29.71 | +18 41 40.4 | Q11 | ||
| C/2015 XY1 | 2017 12 20.59488 | 06 22 40.17 | +18 29 36.2 | D81 | ||
| C/2015 XY1 | 2017 12 20.59869 | 06 22 39.87 | +18 29 34.9 | D81 | ||
| C/2015 XY1 | 2017 12 20.60251 | 06 22 39.65 | +18 29 34.1 | D81 | ||
| C/2015 XY1 | 2017 12 20.61013 | 06 22 39.29 | +18 29 32.9 | 17.6 | T | D81 |
| C/2015 XY1 | 2017 12 20.97558 | 06 22 20.33 | +18 28 53.7 | 17.5 | T | 461 |
| C/2015 XY1 | 2017 12 20.97722 | 06 22 20.29 | +18 28 53.9 | 17.5 | N | G40 |
| C/2015 XY1 | 2017 12 20.98228 | 06 22 20.03 | +18 28 53.4 | 17.3 | N | G40 |
| C/2015 XY1 | 2017 12 20.98367 | 06 22 19.93 | +18 28 52.8 | 17.2 | T | 461 |
| C/2015 XY1 | 2017 12 20.98807 | 06 22 19.77 | +18 28 52.7 | 17.4 | N | G40 |
| C/2015 XY1 | 2017 12 21.49542 | 06 21 53.53 | +18 27 59.0 | 16.8 | T | D95 |
| C/2015 XY1 | 2017 12 21.50390 | 06 21 53.09 | +18 27 57.3 | D95 | ||
| C/2015 XY1 | 2017 12 21.51449 | 06 21 52.54 | +18 27 56.4 | D95 | ||
| C/2015 XY1 | 2017 12 22.59250 | 06 20 56.73 | +18 26 01.1 | 16.9 | T | Q11 |
| C/2015 XY1 | 2017 12 22.61388 | 06 20 55.62 | +18 25 58.7 | Q11 | ||
| C/2015 XY1 | 2017 12 22.62101 | 06 20 55.24 | +18 25 57.9 | Q11 | ||
| C/2015 XY1 | 2017 12 23.66785 | 06 20 01.09 | +18 24 04.5 | D81 | ||
| C/2015 XY1 | 2017 12 23.67548 | 06 20 00.55 | +18 24 04.9 | D81 | ||
| C/2015 XY1 | 2017 12 23.68311 | 06 20 00.16 | +18 24 04.3 | D81 |