| Name | Date/time | RA | Dec | Magnitude | Filter | Site Code |
|---|---|---|---|---|---|---|
| C/2017 S3 | 2018 07 20.03040 | 05 06 42.63 | +54 56 39.9 | 13.1 | G | C47 |
| C/2017 S3 | 2018 07 20.03156 | 05 06 43.05 | +54 56 35.9 | 10.9 | N | 970 |
| C/2017 S3 | 2018 07 20.03681 | 05 06 45.80 | +54 56 24.2 | 12.0 | N | C23 |
| C/2017 S3 | 2018 07 20.04538 | 05 06 50.09 | +54 56 05.4 | 12.1 | N | K97 |
| C/2017 S3 | 2018 07 20.04783 | 05 06 51.32 | +54 55 59.6 | 12.0 | N | K97 |
| C/2017 S3 | 2018 07 20.04905 | 05 06 51.99 | +54 55 57.5 | 12.0 | N | K97 |
| C/2017 S3 | 2018 07 20.06002 | 05 06 57.32 | +54 55 32.5 | 11.4 | N | C23 |
| C/2017 S3 | 2018 07 20.06696 | 05 07 01.09 | +54 55 16.2 | 13.4 | N | K83 |
| C/2017 S3 | 2018 07 20.06991 | 05 07 02.61 | +54 55 09.5 | 12.8 | N | K83 |
| C/2017 S3 | 2018 07 20.07564 | 05 07 05.39 | +54 54 57.2 | 12.8 | N | K83 |
| C/2017 S3 | 2018 07 20.08611 | 05 07 10.51 | +54 54 34.3 | 12.6 | N | A77 |
| C/2017 S3 | 2018 07 20.08801 | 05 07 11.51 | +54 54 29.7 | 12.6 | N | A77 |
| C/2017 S3 | 2018 07 20.09038 | 05 07 12.64 | +54 54 24.5 | 12.6 | N | A77 |
| C/2017 S3 | 2018 07 20.09275 | 05 07 13.82 | +54 54 19.4 | 12.6 | N | A77 |
| C/2017 S3 | 2018 07 20.09513 | 05 07 14.99 | +54 54 13.7 | 12.6 | N | A77 |
| C/2017 S3 | 2018 07 20.09750 | 05 07 16.15 | +54 54 08.1 | 12.6 | N | A77 |
| C/2017 S3 | 2018 07 20.09987 | 05 07 17.34 | +54 54 02.9 | 12.6 | N | A77 |
| C/2017 S3 | 2018 07 20.10450 | 05 07 19.68 | +54 53 52.8 | 12.2 | N | A77 |
| C/2017 S3 | 2018 07 20.10485 | 05 07 19.89 | +54 53 52.4 | 11.4 | V | A77 |
| C/2017 S3 | 2018 07 20.10649 | 05 07 20.74 | +54 53 48.2 | 12.2 | N | A77 |