| Name | Date/time | RA | Dec | Magnitude | Filter | Site Code |
|---|---|---|---|---|---|---|
| C/2017 S3 | 2018 07 22.03027 | 05 23 42.06 | +53 32 38.0 | 13.4 | R | B96 |
| C/2017 S3 | 2018 07 22.03414 | 05 23 44.00 | +53 32 27.5 | 13.4 | R | B96 |
| C/2017 S3 | 2018 07 22.03873 | 05 23 46.58 | +53 32 14.2 | 13.4 | R | B96 |
| C/2017 S3 | 2018 07 22.04054 | 05 23 47.35 | +53 32 10.6 | 13.5 | N | C23 |
| C/2017 S3 | 2018 07 22.04333 | 05 23 48.94 | +53 32 00.9 | 13.4 | R | B96 |
| C/2017 S3 | 2018 07 22.04792 | 05 23 51.34 | +53 31 48.9 | 13.4 | R | B96 |
| C/2017 S3 | 2018 07 22.05358 | 05 23 54.26 | +53 31 32.6 | 13.4 | R | B96 |
| C/2017 S3 | 2018 07 22.05627 | 05 23 55.52 | +53 31 27.0 | 13.6 | N | C23 |
| C/2017 S3 | 2018 07 22.06334 | 05 23 59.52 | +53 31 05.8 | 12.4 | V | A77 |
| C/2017 S3 | 2018 07 22.06768 | 05 24 01.56 | +53 30 53.1 | 12.5 | V | A77 |
| C/2017 S3 | 2018 07 22.07290 | 05 24 04.43 | +53 30 39.9 | 10.5 | T | A77 |
| C/2017 S3 | 2018 07 22.14054 | 05 24 39.79 | +53 27 28.9 | 14.7 | N | J87 |
| C/2017 S3 | 2018 07 22.14682 | 05 24 43.01 | +53 27 11.9 | 14.8 | N | J87 |
| C/2017 S3 | 2018 07 22.15339 | 05 24 46.45 | +53 26 52.9 | 14.7 | N | J87 |
| C/2017 S3 | 2018 07 22.20753 | 05 25 14.86 | +53 24 20.6 | 12.8 | N | G40 |
| C/2017 S3 | 2018 07 22.21098 | 05 25 16.62 | +53 24 10.6 | 12.8 | N | G40 |
| C/2017 S3 | 2018 07 22.21444 | 05 25 18.47 | +53 24 00.9 | 12.8 | N | G40 |
| C/2017 S3 | 2018 07 22.88164 | 05 31 09.40 | +52 50 59.1 | 13.9 | G | D35 |
| C/2017 S3 | 2018 07 22.88635 | 05 31 11.89 | +52 50 45.0 | 14.2 | G | D35 |
| C/2017 S3 | 2018 07 22.88919 | 05 31 13.34 | +52 50 36.6 | 14.3 | G | D35 |