| Name | Date/time | RA | Dec | Magnitude | Filter | Site Code |
|---|---|---|---|---|---|---|
| C/2017 S3 | 2018 07 01.02814 | 03 01 51.23 | +59 24 30.4 | 14.9 | N | C10 |
| C/2017 S3 | 2018 07 01.05111 | 03 01 58.33 | +59 24 29.3 | 14.9 | N | C10 |
| C/2017 S3 | 2018 07 01.98579 | 03 06 44.93 | +59 23 07.6 | 14.9 | N | A71 |
| C/2017 S3 | 2018 07 01.99017 | 03 06 46.30 | +59 23 07.2 | 15.0 | N | A71 |
| C/2017 S3 | 2018 07 01.99458 | 03 06 47.67 | +59 23 07.0 | 15.0 | N | A71 |
| C/2017 S3 | 2018 07 01.99898 | 03 06 49.01 | +59 23 06.4 | 15.0 | N | A71 |
| C/2017 S3 | 2018 07 02.00339 | 03 06 50.42 | +59 23 06.0 | 15.0 | N | A71 |
| C/2017 S3 | 2018 07 02.00779 | 03 06 51.78 | +59 23 05.5 | 15.0 | N | A71 |
| C/2017 S3 | 2018 07 02.00903 | 03 06 52.32 | +59 23 07.0 | 14.2 | N | B18 |
| C/2017 S3 | 2018 07 02.00936 | 03 06 52.40 | +59 23 06.9 | 14.3 | N | B18 |
| C/2017 S3 | 2018 07 02.00971 | 03 06 52.52 | +59 23 06.8 | 14.4 | N | B18 |
| C/2017 S3 | 2018 07 02.01006 | 03 06 52.61 | +59 23 06.9 | 14.3 | N | B18 |
| C/2017 S3 | 2018 07 02.01041 | 03 06 52.69 | +59 23 06.8 | 14.2 | N | B18 |
| C/2017 S3 | 2018 07 02.01075 | 03 06 52.81 | +59 23 06.8 | 14.3 | N | B18 |
| C/2017 S3 | 2018 07 02.01109 | 03 06 52.90 | +59 23 06.9 | 14.2 | N | B18 |
| C/2017 S3 | 2018 07 02.01144 | 03 06 53.03 | +59 23 06.9 | 14.2 | N | B18 |
| C/2017 S3 | 2018 07 02.01178 | 03 06 53.12 | +59 23 06.8 | 14.2 | N | B18 |
| C/2017 S3 | 2018 07 02.01213 | 03 06 53.18 | +59 23 07.0 | 14.1 | N | B18 |
| C/2017 S3 | 2018 07 02.01247 | 03 06 53.31 | +59 23 06.7 | 14.1 | N | B18 |
| C/2017 S3 | 2018 07 02.01281 | 03 06 53.42 | +59 23 06.6 | 14.0 | N | B18 |