| Name | Date/time | RA | Dec | Magnitude | Filter | Site Code |
|---|---|---|---|---|---|---|
| C/2017 S3 | 2018 07 21.72733 | 05 21 05.03 | +53 46 36.5 | 349 | ||
| C/2017 S3 | 2018 07 21.73018 | 05 21 06.52 | +53 46 28.9 | 349 | ||
| C/2017 S3 | 2018 07 21.73140 | 05 21 07.10 | +53 46 26.5 | D81 | ||
| C/2017 S3 | 2018 07 21.73216 | 05 21 07.35 | +53 46 24.3 | D81 | ||
| C/2017 S3 | 2018 07 21.73293 | 05 21 07.94 | +53 46 21.5 | D81 | ||
| C/2017 S3 | 2018 07 21.73303 | 05 21 08.01 | +53 46 21.2 | 9.6 | T | 349 |
| C/2017 S3 | 2018 07 21.73369 | 05 21 08.20 | +53 46 19.3 | 8.7 | T | D81 |
| C/2017 S3 | 2018 07 21.76409 | 05 21 23.80 | +53 44 52.8 | 13.9 | G | D35 |
| C/2017 S3 | 2018 07 21.76506 | 05 21 24.29 | +53 44 50.3 | 13.8 | G | D35 |
| C/2017 S3 | 2018 07 21.76603 | 05 21 24.81 | +53 44 47.7 | 13.8 | G | D35 |
| C/2017 S3 | 2018 07 21.83073 | 05 21 58.52 | +53 41 52.0 | 13.8 | G | D35 |
| C/2017 S3 | 2018 07 21.83225 | 05 21 59.26 | +53 41 48.0 | 13.9 | G | D35 |
| C/2017 S3 | 2018 07 21.84732 | 05 22 07.11 | +53 41 07.2 | 13.9 | G | D35 |
| C/2017 S3 | 2018 07 21.98248 | 05 23 16.93 | +53 34 52.5 | 13.8 | N | 238 |
| C/2017 S3 | 2018 07 21.98392 | 05 23 17.71 | +53 34 48.3 | 13.9 | N | 238 |
| C/2017 S3 | 2018 07 21.98595 | 05 23 18.80 | +53 34 42.3 | 14.1 | N | 238 |
| C/2017 S3 | 2018 07 22.02138 | 05 23 37.55 | +53 33 01.6 | 13.4 | R | B96 |
| C/2017 S3 | 2018 07 22.02331 | 05 23 38.36 | +53 32 58.3 | 13.6 | N | C23 |
| C/2017 S3 | 2018 07 22.02374 | 05 23 38.71 | +53 32 55.4 | 13.3 | R | B96 |
| C/2017 S3 | 2018 07 22.02671 | 05 23 40.14 | +53 32 47.2 | 13.4 | R | B96 |