| Name | Date/time | RA | Dec | Magnitude | Filter | Site Code |
|---|---|---|---|---|---|---|
| C/2018 EF9 | 2018 06 04.94251 | 05 10 49.33 | +84 07 28.0 | 18.7 | N | A71 |
| C/2018 EF9 | 2018 06 20.85834 | 04 18 41.00 | +84 39 14.5 | 18.5 | N | 585 |
| C/2018 EF9 | 2018 06 20.85906 | 04 18 40.79 | +84 39 14.9 | 18.5 | N | 585 |
| C/2018 EF9 | 2018 06 20.85978 | 04 18 40.65 | +84 39 15.0 | 18.6 | N | 585 |
| C/2018 EF9 | 2018 06 20.86049 | 04 18 40.03 | +84 39 15.6 | 18.6 | N | 585 |
| C/2018 EF9 | 2018 06 20.86120 | 04 18 39.90 | +84 39 15.5 | 18.7 | N | 585 |
| C/2018 EF9 | 2018 06 20.86191 | 04 18 39.87 | +84 39 15.9 | 18.9 | N | 585 |
| C/2018 EF9 | 2018 06 20.86315 | 04 18 39.78 | +84 39 16.2 | 18.7 | N | 585 |
| C/2018 EF9 | 2018 06 20.86439 | 04 18 39.04 | +84 39 16.5 | 18.9 | N | 585 |
| C/2018 EF9 | 2018 06 20.86563 | 04 18 38.83 | +84 39 16.9 | 18.8 | N | 585 |
| C/2018 EF9 | 2018 06 20.86686 | 04 18 38.73 | +84 39 16.9 | 18.8 | N | 585 |
| C/2018 EF9 | 2018 06 20.86810 | 04 18 37.91 | +84 39 16.7 | 18.7 | N | 585 |
| C/2018 EF9 | 2018 09 11.24233 | 20 26 35.35 | +55 57 15.9 | 23.4 | G | 568 |
| C/2018 EF9 | 2018 09 11.24559 | 20 26 35.39 | +55 57 06.3 | 23.4 | G | 568 |