| Name | Date/time | RA | Dec | Magnitude | Filter | Site Code |
|---|---|---|---|---|---|---|
| C/2017 S3 | 2017 10 14.84052 | 18 01 02.80 | +69 29 17.2 | 21.0 | N | K77 |
| C/2017 S3 | 2017 10 14.84231 | 18 01 02.80 | +69 29 15.9 | 20.9 | N | K77 |
| C/2017 S3 | 2017 10 17.73106 | 18 03 50.21 | +68 52 39.2 | 20.7 | T | 461 |
| C/2017 S3 | 2017 10 17.73745 | 18 03 50.56 | +68 52 34.1 | 20.6 | T | 461 |
| C/2017 S3 | 2017 10 17.74384 | 18 03 50.97 | +68 52 29.2 | 20.4 | T | 461 |
| C/2017 S3 | 2017 10 17.75023 | 18 03 51.28 | +68 52 24.4 | 20.6 | T | 461 |
| C/2017 S3 | 2017 10 17.75662 | 18 03 51.73 | +68 52 19.6 | 20.7 | T | 461 |
| C/2017 S3 | 2017 10 19.14854 | 18 05 16.55 | +68 34 41.1 | U69 | ||
| C/2017 S3 | 2017 10 19.15208 | 18 05 16.76 | +68 34 38.5 | U69 | ||
| C/2017 S3 | 2017 10 19.15563 | 18 05 16.96 | +68 34 36.0 | 20.1 | T | U69 |
| C/2017 S3 | 2017 11 18.76292 | 18 45 10.05 | +62 17 39.1 | 20.3 | T | 587 |
| C/2017 S3 | 2017 11 18.76822 | 18 45 10.60 | +62 17 35.9 | 587 | ||
| C/2017 S3 | 2017 11 18.77351 | 18 45 11.13 | +62 17 31.8 | 587 | ||
| C/2017 S3 | 2017 12 13.73359 | 19 25 48.88 | +57 49 27.2 | 20.4 | T | 587 |
| C/2017 S3 | 2017 12 13.73710 | 19 25 49.22 | +57 49 24.9 | 587 | ||
| C/2017 S3 | 2018 01 15.05946 | 20 23 48.03 | +53 35 53.6 | H06 | ||
| C/2017 S3 | 2018 01 15.06189 | 20 23 48.26 | +53 35 52.5 | 19.8 | T | H06 |
| C/2017 S3 | 2018 03 22.79586 | 22 31 10.43 | +51 45 51.9 | Q11 | ||
| C/2017 S3 | 2018 03 22.80476 | 22 31 11.46 | +51 45 53.1 | 18.9 | T | Q11 |
| C/2017 S3 | 2018 03 23.79296 | 22 33 08.47 | +51 48 11.5 | Q11 |