| Name | Date/time | RA | Dec | Magnitude | Filter | Site Code |
|---|---|---|---|---|---|---|
| C/2015 Y1 | 2015 12 18.58859 | 09 20 19.45 | -11 18 53.4 | 17.8 | w | Q62 |
| C/2015 Y1 | 2015 12 19.09913 | 09 20 13.14 | -11 13 55.6 | 18.6 | V | G40 |
| C/2015 Y1 | 2015 12 19.10502 | 09 20 13.05 | -11 13 52.0 | 18.6 | V | G40 |
| C/2015 Y1 | 2015 12 19.14715 | 09 20 12.38 | -11 13 27.5 | 18.5 | R | K38 |
| C/2015 Y1 | 2015 12 19.15870 | 09 20 12.21 | -11 13 20.3 | 18.0 | R | K38 |
| C/2015 Y1 | 2015 12 19.17102 | 09 20 12.05 | -11 13 12.9 | 18.4 | R | K38 |
| C/2015 Y1 | 2015 12 19.18272 | 09 20 12.30 | -11 13 01.0 | 18.8 | R | W96 |
| C/2015 Y1 | 2015 12 19.19281 | 09 20 11.77 | -11 12 59.6 | 18.8 | R | B74 |
| C/2015 Y1 | 2015 12 19.19777 | 09 20 11.94 | -11 12 53.1 | 18.8 | R | W96 |
| C/2015 Y1 | 2015 12 19.21292 | 09 20 11.73 | -11 12 45.2 | 18.9 | R | W96 |
| C/2015 Y1 | 2015 12 19.23017 | 09 20 11.28 | -11 12 37.2 | 18.8 | R | B74 |
| C/2015 Y1 | 2015 12 19.23031 | 09 20 11.52 | -11 12 33.4 | 18.6 | R | I47 |
| C/2015 Y1 | 2015 12 19.23807 | 09 20 11.34 | -11 12 28.3 | 18.5 | R | I47 |
| C/2015 Y1 | 2015 12 19.23958 | 09 20 11.12 | -11 12 32.0 | 18.6 | R | B74 |
| C/2015 Y1 | 2015 12 19.24582 | 09 20 11.25 | -11 12 23.4 | 18.6 | R | I47 |
| C/2015 Y1 | 2015 12 19.25321 | 09 20 11.15 | -11 12 19.0 | 18.5 | R | I47 |
| C/2015 Y1 | 2015 12 19.26058 | 09 20 11.04 | -11 12 14.6 | 18.6 | R | I47 |
| C/2015 Y1 | 2015 12 19.26833 | 09 20 10.93 | -11 12 09.9 | 18.5 | R | I47 |
| C/2015 Y1 | 2015 12 19.63446 | 09 20 06.21 | -11 08 28.7 | 18.5 | R | Q62 |
| C/2015 Y1 | 2015 12 19.63705 | 09 20 06.15 | -11 08 27.2 | 18.6 | R | Q62 |