| Name | Date/time | RA | Dec | Magnitude | Filter | Site Code |
|---|---|---|---|---|---|---|
| C/2015 ER61 | 2017 12 17.89725 | 02 44 12.35 | +15 54 34.9 | 16.8 | N | 213 |
| C/2015 ER61 | 2017 12 17.93971 | 02 44 11.54 | +15 54 28.0 | 17.2 | N | 160 |
| C/2015 ER61 | 2017 12 17.94205 | 02 44 11.56 | +15 54 28.5 | 18.0 | N | 160 |
| C/2015 ER61 | 2017 12 17.94440 | 02 44 11.51 | +15 54 27.8 | 17.8 | N | 160 |
| C/2015 ER61 | 2017 12 17.95668 | 02 44 11.29 | +15 54 26.0 | 16.6 | N | J53 |
| C/2015 ER61 | 2017 12 17.96023 | 02 44 11.22 | +15 54 25.2 | 16.6 | N | J53 |
| C/2015 ER61 | 2017 12 17.97087 | 02 44 11.02 | +15 54 23.8 | 16.6 | N | J53 |
| C/2015 ER61 | 2017 12 18.52799 | 02 44 02.40 | +15 53 03.8 | 15.8 | N | G26 |
| C/2015 ER61 | 2017 12 18.58964 | 02 44 01.11 | +15 52 54.8 | 15.7 | T | Q11 |
| C/2015 ER61 | 2017 12 18.59861 | 02 44 01.11 | +15 52 52.8 | 15.4 | N | G26 |
| C/2015 ER61 | 2017 12 18.60032 | 02 44 00.94 | +15 52 53.4 | Q11 | ||
| C/2015 ER61 | 2017 12 18.80655 | 02 43 57.86 | +15 52 22.6 | 17.5 | N | G34 |
| C/2015 ER61 | 2017 12 18.81142 | 02 43 57.83 | +15 52 22.3 | 16.3 | N | G34 |
| C/2015 ER61 | 2017 12 18.81629 | 02 43 57.75 | +15 52 21.9 | 17.0 | N | G34 |
| C/2015 ER61 | 2017 12 18.82117 | 02 43 57.67 | +15 52 20.6 | 17.2 | N | G34 |
| C/2015 ER61 | 2017 12 18.88600 | 02 43 56.58 | +15 52 12.5 | 16.8 | N | K25 |
| C/2015 ER61 | 2017 12 18.89514 | 02 43 56.44 | +15 52 11.1 | 16.9 | N | K25 |
| C/2015 ER61 | 2017 12 18.97534 | 02 43 55.16 | +15 52 00.0 | 16.3 | N | 160 |
| C/2015 ER61 | 2017 12 18.97767 | 02 43 55.12 | +15 51 59.1 | 17.5 | N | 160 |
| C/2015 ER61 | 2017 12 19.47086 | 02 43 48.30 | +15 50 50.9 | 15.5 | N | G26 |