| Name | Date/time | RA | Dec | Magnitude | Filter | Site Code |
|---|---|---|---|---|---|---|
| C/2017 S3 | 2018 07 22.99808 | 05 32 10.99 | +52 44 58.0 | 14.1 | N | B18 |
| C/2017 S3 | 2018 07 22.99902 | 05 32 11.57 | +52 44 56.7 | 14.1 | N | B18 |
| C/2017 S3 | 2018 07 22.99997 | 05 32 12.21 | +52 44 52.7 | 14.1 | N | B18 |
| C/2017 S3 | 2018 07 23.00093 | 05 32 12.65 | +52 44 50.6 | 14.0 | N | B18 |
| C/2017 S3 | 2018 07 23.00190 | 05 32 13.33 | +52 44 46.2 | 14.1 | N | B18 |
| C/2017 S3 | 2018 07 23.00290 | 05 32 13.49 | +52 44 44.8 | 14.2 | N | B18 |
| C/2017 S3 | 2018 07 23.00385 | 05 32 14.21 | +52 44 40.5 | 14.0 | N | B18 |
| C/2017 S3 | 2018 07 23.00455 | 05 32 14.16 | +52 44 37.2 | 13.4 | N | C10 |
| C/2017 S3 | 2018 07 23.00480 | 05 32 14.56 | +52 44 37.8 | 14.1 | N | B18 |
| C/2017 S3 | 2018 07 23.00575 | 05 32 15.20 | +52 44 35.9 | 13.9 | N | B18 |
| C/2017 S3 | 2018 07 23.00670 | 05 32 15.68 | +52 44 32.6 | 13.9 | N | B18 |
| C/2017 S3 | 2018 07 23.00767 | 05 32 16.34 | +52 44 30.0 | 14.1 | N | B18 |
| C/2017 S3 | 2018 07 23.00861 | 05 32 16.79 | +52 44 26.2 | 14.0 | N | B18 |
| C/2017 S3 | 2018 07 23.00956 | 05 32 17.29 | +52 44 23.1 | 14.0 | N | B18 |
| C/2017 S3 | 2018 07 23.01051 | 05 32 17.65 | +52 44 20.9 | 13.9 | N | B18 |
| C/2017 S3 | 2018 07 23.01146 | 05 32 18.24 | +52 44 17.6 | 13.9 | N | B18 |
| C/2017 S3 | 2018 07 23.01242 | 05 32 18.75 | +52 44 14.9 | 14.0 | N | B18 |
| C/2017 S3 | 2018 07 23.01337 | 05 32 19.11 | +52 44 11.2 | 14.1 | N | B18 |
| C/2017 S3 | 2018 07 23.01432 | 05 32 19.68 | +52 44 08.2 | 14.0 | N | B18 |
| C/2017 S3 | 2018 07 23.01526 | 05 32 20.21 | +52 44 05.7 | 14.1 | N | B18 |