| Name | Date/time | RA | Dec | Magnitude | Filter | Site Code |
|---|---|---|---|---|---|---|
| C/2017 S3 | 2018 07 19.04420 | 04 58 36.31 | +55 31 43.8 | 13.3 | N | B69 |
| C/2017 S3 | 2018 07 19.04713 | 04 58 37.63 | +55 31 37.3 | 12.0 | N | Z80 |
| C/2017 S3 | 2018 07 19.04816 | 04 58 38.17 | +55 31 35.1 | 11.6 | N | K02 |
| C/2017 S3 | 2018 07 19.05028 | 04 58 39.14 | +55 31 31.3 | 11.3 | N | L12 |
| C/2017 S3 | 2018 07 19.05197 | 04 58 40.00 | +55 31 27.2 | 12.2 | N | Z80 |
| C/2017 S3 | 2018 07 19.05478 | 04 58 41.47 | +55 31 22.6 | 13.4 | N | L05 |
| C/2017 S3 | 2018 07 19.05567 | 04 58 41.94 | +55 31 21.0 | 13.3 | N | B69 |
| C/2017 S3 | 2018 07 19.05737 | 04 58 42.74 | +55 31 16.5 | 11.6 | N | K02 |
| C/2017 S3 | 2018 07 19.05747 | 04 58 42.68 | +55 31 16.6 | 12.0 | N | Z80 |
| C/2017 S3 | 2018 07 19.06232 | 04 58 45.02 | +55 31 06.7 | 12.1 | N | Z80 |
| C/2017 S3 | 2018 07 19.06240 | 04 58 45.06 | +55 31 07.3 | 11.1 | N | L12 |
| C/2017 S3 | 2018 07 19.06692 | 04 58 47.19 | +55 30 57.6 | 11.9 | N | Z80 |
| C/2017 S3 | 2018 07 19.06693 | 04 58 47.51 | +55 30 58.3 | 13.5 | N | L05 |
| C/2017 S3 | 2018 07 19.07238 | 04 58 49.90 | +55 30 47.4 | 12.0 | N | Z80 |
| C/2017 S3 | 2018 07 19.07590 | 04 58 51.60 | +55 30 40.4 | 11.0 | N | L12 |
| C/2017 S3 | 2018 07 19.08802 | 04 58 57.63 | +55 30 15.6 | 11.3 | N | L12 |
| C/2017 S3 | 2018 07 19.09853 | 04 59 02.90 | +55 29 55.0 | 13.3 | N | L05 |
| C/2017 S3 | 2018 07 19.12633 | 04 59 16.56 | +55 28 59.8 | 12.4 | N | K14 |
| C/2017 S3 | 2018 07 19.12755 | 04 59 17.12 | +55 28 57.2 | 12.4 | N | K14 |
| C/2017 S3 | 2018 07 19.12876 | 04 59 17.73 | +55 28 54.9 | 12.4 | N | K14 |