| Name | Date/time | RA | Dec | Magnitude | Filter | Site Code |
|---|---|---|---|---|---|---|
| C/2017 S3 | 2018 05 11.71987 | 00 16 58.11 | +55 22 01.9 | D81 | ||
| C/2017 S3 | 2018 05 11.72064 | 00 16 58.16 | +55 22 01.3 | 16.7 | T | D81 |
| C/2017 S3 | 2018 05 11.73997 | 00 17 01.05 | +55 22 08.7 | 349 | ||
| C/2017 S3 | 2018 05 11.75109 | 00 17 02.60 | +55 22 12.5 | 16.3 | T | 349 |
| C/2017 S3 | 2018 05 12.04111 | 00 17 43.88 | +55 23 53.9 | 17.7 | N | A71 |
| C/2017 S3 | 2018 05 12.04771 | 00 17 44.85 | +55 23 56.1 | 17.8 | N | A71 |
| C/2017 S3 | 2018 05 12.05431 | 00 17 45.75 | +55 23 58.4 | 17.7 | N | A71 |
| C/2017 S3 | 2018 05 12.06091 | 00 17 46.76 | +55 24 01.1 | 17.7 | N | A71 |
| C/2017 S3 | 2018 05 14.74327 | 00 24 13.49 | +55 39 59.5 | Q23 | ||
| C/2017 S3 | 2018 05 14.74963 | 00 24 14.39 | +55 40 02.3 | Q23 | ||
| C/2017 S3 | 2018 05 14.75596 | 00 24 15.31 | +55 40 04.4 | 16.4 | T | Q23 |
| C/2017 S3 | 2018 05 15.43149 | 00 25 54.09 | +55 44 08.6 | H06 | ||
| C/2017 S3 | 2018 05 15.43348 | 00 25 54.38 | +55 44 09.4 | H06 | ||
| C/2017 S3 | 2018 05 15.43547 | 00 25 54.68 | +55 44 10.0 | 17.2 | G | H06 |
| C/2017 S3 | 2018 05 17.72575 | 00 31 33.10 | +55 58 00.4 | Q11 | ||
| C/2017 S3 | 2018 05 17.73861 | 00 31 35.02 | +55 58 05.0 | Q11 | ||
| C/2017 S3 | 2018 05 17.74292 | 00 31 35.64 | +55 58 06.5 | 16.4 | T | Q11 |
| C/2017 S3 | 2018 05 21.05052 | 00 39 56.23 | +56 18 19.0 | 17.3 | N | A71 |
| C/2017 S3 | 2018 05 21.05220 | 00 39 56.51 | +56 18 19.2 | 17.7 | N | A71 |
| C/2017 S3 | 2018 05 21.05389 | 00 39 56.66 | +56 18 20.2 | 17.2 | N | A71 |