| Name | Date/time | RA | Dec | Magnitude | Filter | Site Code |
|---|---|---|---|---|---|---|
| C/2017 S3 | 2018 06 21.68552 | 02 19 36.85 | +59 11 24.6 | D81 | ||
| C/2017 S3 | 2018 06 21.68781 | 02 19 37.68 | +59 11 23.6 | D81 | ||
| C/2017 S3 | 2018 06 21.69009 | 02 19 38.16 | +59 11 24.9 | 14.7 | T | D81 |
| C/2017 S3 | 2018 06 21.99463 | 02 20 52.48 | +59 12 22.8 | 16.6 | R | B96 |
| C/2017 S3 | 2018 06 21.99789 | 02 20 53.17 | +59 12 23.2 | 16.6 | R | B96 |
| C/2017 S3 | 2018 06 22.00117 | 02 20 54.04 | +59 12 24.4 | 16.6 | R | B96 |
| C/2017 S3 | 2018 06 22.00608 | 02 20 55.26 | +59 12 25.8 | 16.6 | R | B96 |
| C/2017 S3 | 2018 06 22.02307 | 02 20 59.46 | +59 12 28.0 | 15.8 | N | K02 |
| C/2017 S3 | 2018 06 22.02770 | 02 21 00.50 | +59 12 29.2 | 16.1 | N | K02 |
| C/2017 S3 | 2018 06 22.03696 | 02 21 02.87 | +59 12 30.9 | 16.2 | N | K02 |
| C/2017 S3 | 2018 06 24.19682 | 02 30 05.55 | +59 18 41.6 | 15.5 | N | J22 |
| C/2017 S3 | 2018 06 24.21059 | 02 30 09.17 | +59 18 44.8 | 15.5 | N | J22 |
| C/2017 S3 | 2018 06 24.21454 | 02 30 10.23 | +59 18 45.3 | 15.5 | N | J22 |
| C/2017 S3 | 2018 06 25.17392 | 02 34 19.69 | +59 20 53.7 | 15.8 | N | G40 |
| C/2017 S3 | 2018 06 25.17735 | 02 34 20.76 | +59 20 53.7 | 15.8 | N | G40 |
| C/2017 S3 | 2018 06 25.18064 | 02 34 21.48 | +59 20 54.6 | 15.8 | N | G40 |
| C/2017 S3 | 2018 06 25.18410 | 02 34 22.40 | +59 20 54.8 | 15.7 | N | G40 |
| C/2017 S3 | 2018 06 25.18763 | 02 34 23.42 | +59 20 55.3 | 15.7 | N | G40 |
| C/2017 S3 | 2018 06 25.99198 | 02 37 56.62 | +59 22 23.9 | 15.6 | N | C23 |
| C/2017 S3 | 2018 06 25.99920 | 02 37 58.54 | +59 22 24.8 | 16.0 | N | C23 |