| Name | Date/time | RA | Dec | Magnitude | Filter | Site Code |
|---|---|---|---|---|---|---|
| C/2017 S3 | 2018 07 03.00413 | 03 12 05.38 | +59 20 54.6 | 15.1 | G | C47 |
| C/2017 S3 | 2018 07 03.00587 | 03 12 05.84 | +59 20 54.0 | 14.5 | R | B96 |
| C/2017 S3 | 2018 07 03.00930 | 03 12 06.99 | +59 20 54.3 | 14.9 | G | C47 |
| C/2017 S3 | 2018 07 03.01446 | 03 12 08.67 | +59 20 53.1 | 14.9 | G | C47 |
| C/2017 S3 | 2018 07 03.01638 | 03 12 09.25 | +59 20 52.6 | 14.4 | R | B96 |
| C/2017 S3 | 2018 07 03.01926 | 03 12 10.16 | +59 20 52.6 | 15.0 | G | C47 |
| C/2017 S3 | 2018 07 03.02201 | 03 12 11.14 | +59 20 51.5 | 14.4 | R | B96 |
| C/2017 S3 | 2018 07 03.02479 | 03 12 12.00 | +59 20 51.6 | 15.0 | G | C47 |
| C/2017 S3 | 2018 07 03.02766 | 03 12 12.83 | +59 20 50.8 | 14.4 | R | B96 |
| C/2017 S3 | 2018 07 03.03330 | 03 12 14.65 | +59 20 50.1 | 14.4 | R | B96 |
| C/2017 S3 | 2018 07 03.03490 | 03 12 15.13 | +59 20 49.6 | 13.6 | N | K02 |
| C/2017 S3 | 2018 07 03.04341 | 03 12 17.88 | +59 20 48.5 | 13.6 | N | K02 |
| C/2017 S3 | 2018 07 03.04561 | 03 12 18.54 | +59 20 48.2 | 11.2 | T | Z80 |
| C/2017 S3 | 2018 07 03.04675 | 03 12 18.91 | +59 20 48.4 | 13.8 | N | Z80 |
| C/2017 S3 | 2018 07 03.04779 | 03 12 19.28 | +59 20 48.1 | 13.9 | N | Z80 |
| C/2017 S3 | 2018 07 03.04893 | 03 12 19.63 | +59 20 47.6 | 13.9 | N | Z80 |
| C/2017 S3 | 2018 07 03.05021 | 03 12 20.03 | +59 20 47.6 | 13.9 | N | Z80 |
| C/2017 S3 | 2018 07 03.05078 | 03 12 20.25 | +59 20 48.3 | 13.0 | N | 048 |
| C/2017 S3 | 2018 07 03.05196 | 03 12 20.58 | +59 20 47.3 | 14.0 | N | Z80 |
| C/2017 S3 | 2018 07 03.05220 | 03 12 20.69 | +59 20 48.2 | 048 |