| Name | Date/time | RA | Dec | Magnitude | Filter | Site Code |
|---|---|---|---|---|---|---|
| C/2017 S3 | 2018 07 04.08194 | 03 17 53.82 | +59 17 38.9 | 13.7 | V | A77 |
| C/2017 S3 | 2018 07 04.08803 | 03 17 55.97 | +59 17 38.4 | 13.7 | V | A77 |
| C/2017 S3 | 2018 07 04.09558 | 03 17 58.53 | +59 17 36.5 | 13.7 | V | A77 |
| C/2017 S3 | 2018 07 04.10345 | 03 18 00.93 | +59 17 35.1 | 10.7 | T | A77 |
| C/2017 S3 | 2018 07 04.14079 | 03 18 13.33 | +59 17 27.4 | 14.2 | R | I89 |
| C/2017 S3 | 2018 07 04.14666 | 03 18 15.24 | +59 17 26.2 | 14.6 | R | I89 |
| C/2017 S3 | 2018 07 04.15231 | 03 18 17.10 | +59 17 25.2 | 14.6 | R | I89 |
| C/2017 S3 | 2018 07 04.15720 | 03 18 18.63 | +59 17 24.3 | 14.4 | R | I89 |
| C/2017 S3 | 2018 07 04.97355 | 03 22 49.69 | +59 14 05.6 | 13.9 | N | 213 |
| C/2017 S3 | 2018 07 04.98024 | 03 22 51.98 | +59 14 04.7 | 14.2 | N | A71 |
| C/2017 S3 | 2018 07 04.98291 | 03 22 52.83 | +59 14 04.0 | 14.0 | N | A71 |
| C/2017 S3 | 2018 07 04.98508 | 03 22 53.60 | +59 14 03.0 | 13.9 | N | 213 |
| C/2017 S3 | 2018 07 04.98558 | 03 22 53.79 | +59 14 03.3 | 14.1 | N | A71 |
| C/2017 S3 | 2018 07 04.98827 | 03 22 54.64 | +59 14 02.8 | 13.9 | N | A71 |
| C/2017 S3 | 2018 07 04.99097 | 03 22 55.56 | +59 14 02.2 | 14.1 | N | A71 |
| C/2017 S3 | 2018 07 04.99665 | 03 22 57.47 | +59 14 01.2 | 14.1 | N | A71 |
| C/2017 S3 | 2018 07 04.99971 | 03 22 58.52 | +59 13 58.9 | 13.9 | N | 213 |
| C/2017 S3 | 2018 07 05.00507 | 03 23 00.28 | +59 13 58.9 | 14.1 | N | A71 |
| C/2017 S3 | 2018 07 05.01303 | 03 23 02.98 | +59 13 56.9 | 14.1 | N | A71 |
| C/2017 S3 | 2018 07 05.02167 | 03 23 05.92 | +59 13 54.9 | 14.1 | N | A71 |