| Name | Date/time | RA | Dec | Magnitude | Filter | Site Code |
|---|---|---|---|---|---|---|
| C/2017 S3 | 2018 07 19.12998 | 04 59 18.33 | +55 28 51.9 | 12.4 | N | K14 |
| C/2017 S3 | 2018 07 19.13119 | 04 59 18.95 | +55 28 49.6 | 12.4 | N | K14 |
| C/2017 S3 | 2018 07 19.13240 | 04 59 19.47 | +55 28 47.2 | 12.4 | N | K14 |
| C/2017 S3 | 2018 07 19.13361 | 04 59 20.13 | +55 28 44.9 | 12.4 | N | K14 |
| C/2017 S3 | 2018 07 19.13486 | 04 59 20.62 | +55 28 42.4 | 12.5 | N | K14 |
| C/2017 S3 | 2018 07 19.13608 | 04 59 21.33 | +55 28 40.4 | 12.4 | N | K14 |
| C/2017 S3 | 2018 07 19.13729 | 04 59 21.92 | +55 28 37.8 | 12.4 | N | K14 |
| C/2017 S3 | 2018 07 19.13850 | 04 59 22.46 | +55 28 35.3 | 12.5 | N | K14 |
| C/2017 S3 | 2018 07 19.13971 | 04 59 23.09 | +55 28 31.8 | 12.4 | N | K14 |
| C/2017 S3 | 2018 07 19.14154 | 04 59 23.97 | +55 28 29.2 | 12.4 | N | K14 |
| C/2017 S3 | 2018 07 19.98467 | 05 06 19.40 | +54 58 21.9 | 12.1 | N | 238 |
| C/2017 S3 | 2018 07 19.98741 | 05 06 20.81 | +54 58 15.9 | 12.1 | N | 238 |
| C/2017 S3 | 2018 07 19.99160 | 05 06 22.96 | +54 58 06.6 | 12.1 | N | 238 |
| C/2017 S3 | 2018 07 20.00165 | 05 06 28.23 | +54 57 44.4 | 13.4 | G | C47 |
| C/2017 S3 | 2018 07 20.00866 | 05 06 31.70 | +54 57 28.0 | 13.6 | G | C47 |
| C/2017 S3 | 2018 07 20.01048 | 05 06 32.63 | +54 57 23.4 | 13.5 | G | C47 |
| C/2017 S3 | 2018 07 20.01484 | 05 06 34.68 | +54 57 13.2 | 10.9 | N | 970 |
| C/2017 S3 | 2018 07 20.01584 | 05 06 35.29 | +54 57 10.8 | 12.1 | N | C23 |
| C/2017 S3 | 2018 07 20.01749 | 05 06 36.05 | +54 57 09.1 | 13.5 | G | C47 |
| C/2017 S3 | 2018 07 20.02376 | 05 06 39.31 | +54 56 53.7 | 13.1 | G | C47 |