| Name | Date/time | RA | Dec | Magnitude | Filter | Site Code |
|---|---|---|---|---|---|---|
| C/2017 S3 | 2018 07 15.07019 | 04 27 50.62 | +57 18 53.0 | 13.2 | N | C23 |
| C/2017 S3 | 2018 07 15.07396 | 04 27 52.53 | +57 18 49.0 | 12.3 | V | A77 |
| C/2017 S3 | 2018 07 15.07918 | 04 27 54.82 | +57 18 42.2 | 12.2 | V | A77 |
| C/2017 S3 | 2018 07 15.08367 | 04 27 56.58 | +57 18 36.3 | 12.9 | N | C23 |
| C/2017 S3 | 2018 07 15.08612 | 04 27 57.96 | +57 18 32.4 | 10.0 | T | A77 |
| C/2017 S3 | 2018 07 15.10537 | 04 28 06.28 | +57 18 08.5 | 12.1 | N | J01 |
| C/2017 S3 | 2018 07 15.10843 | 04 28 07.65 | +57 18 04.9 | 12.2 | N | J01 |
| C/2017 S3 | 2018 07 15.11149 | 04 28 09.04 | +57 18 00.8 | 12.1 | N | J01 |
| C/2017 S3 | 2018 07 15.68743 | 04 32 24.90 | +57 05 18.7 | 13.4 | G | D35 |
| C/2017 S3 | 2018 07 15.68875 | 04 32 25.53 | +57 05 17.0 | 13.4 | G | D35 |
| C/2017 S3 | 2018 07 15.70020 | 04 32 30.68 | +57 05 01.2 | 13.5 | G | D35 |
| C/2017 S3 | 2018 07 15.72309 | 04 32 41.33 | +57 04 34.5 | 349 | ||
| C/2017 S3 | 2018 07 15.72565 | 04 32 42.51 | +57 04 31.3 | 349 | ||
| C/2017 S3 | 2018 07 15.72818 | 04 32 43.65 | +57 04 27.8 | 9.1 | T | 349 |
| C/2017 S3 | 2018 07 15.80764 | 04 33 19.28 | +57 02 35.5 | 13.3 | G | D35 |
| C/2017 S3 | 2018 07 15.86585 | 04 33 45.56 | +57 01 16.2 | 13.2 | G | D35 |
| C/2017 S3 | 2018 07 15.87514 | 04 33 49.74 | +57 01 03.6 | 13.3 | G | D35 |
| C/2017 S3 | 2018 07 15.89967 | 04 34 00.31 | +57 00 25.8 | 12.7 | V | C43 |
| C/2017 S3 | 2018 07 15.90130 | 04 34 01.06 | +57 00 24.6 | 12.7 | V | C43 |
| C/2017 S3 | 2018 07 15.90311 | 04 34 01.85 | +57 00 21.1 | 12.8 | V | C43 |