| Name | Date/time | RA | Dec | Magnitude | Filter | Site Code |
|---|---|---|---|---|---|---|
| C/2017 S3 | 2018 07 26.03532 | 05 59 47.23 | +49 39 32.7 | 14.0 | R | 987 |
| C/2017 S3 | 2018 07 26.03605 | 05 59 47.63 | +49 39 31.7 | 14.0 | R | 987 |
| C/2017 S3 | 2018 07 26.03933 | 05 59 49.36 | +49 39 17.0 | 14.1 | R | 987 |
| C/2017 S3 | 2018 07 26.03985 | 05 59 50.09 | +49 39 14.9 | 14.0 | R | 987 |
| C/2017 S3 | 2018 07 26.04030 | 05 59 50.38 | +49 39 09.4 | 14.0 | R | 987 |
| C/2017 S3 | 2018 07 26.05856 | 06 00 00.43 | +49 37 54.5 | 11.2 | T | Z80 |
| C/2017 S3 | 2018 07 26.06553 | 06 00 04.40 | +49 37 26.0 | 13.8 | N | Z80 |
| C/2017 S3 | 2018 07 26.06917 | 06 00 06.49 | +49 37 09.0 | 14.1 | N | Z80 |
| C/2017 S3 | 2018 07 26.07317 | 06 00 08.56 | +49 36 53.0 | 13.9 | N | Z80 |
| C/2017 S3 | 2018 07 26.07724 | 06 00 11.10 | +49 36 34.4 | J95 | ||
| C/2017 S3 | 2018 07 26.08008 | 06 00 12.78 | +49 36 22.0 | 14.5 | N | C10 |
| C/2017 S3 | 2018 07 26.08816 | 06 00 16.39 | +49 35 56.2 | 11.2 | T | C10 |
| C/2017 S3 | 2018 07 26.08996 | 06 00 18.15 | +49 35 40.6 | J95 | ||
| C/2017 S3 | 2018 07 26.09299 | 06 00 19.59 | +49 35 31.8 | 13.1 | V | A77 |
| C/2017 S3 | 2018 07 26.09646 | 06 00 21.73 | +49 35 12.1 | 13.1 | V | A77 |
| C/2017 S3 | 2018 07 26.09712 | 06 00 22.17 | +49 35 11.0 | 14.7 | N | C10 |
| C/2017 S3 | 2018 07 26.09994 | 06 00 23.90 | +49 35 00.0 | 10.1 | T | A77 |
| C/2017 S3 | 2018 07 26.10248 | 06 00 25.31 | +49 34 46.0 | 16.6 | G | J95 |
| C/2017 S3 | 2018 07 26.10261 | 06 00 25.27 | +49 34 48.2 | 14.1 | N | A77 |
| C/2017 S3 | 2018 07 26.10801 | 06 00 28.55 | +49 34 25.0 | 14.1 | N | A77 |