| Name | Date/time | RA | Dec | Magnitude | Filter | Site Code |
|---|---|---|---|---|---|---|
| C/2021 S3 | 2024 05 14.59872 | 20 31 44.36 | +49 55 06.2 | 11.2 | T | D95 |
| C/2021 S3 | 2024 05 14.77073 | 20 31 50.83 | +49 59 48.4 | 13.4 | V | Q21 |
| C/2021 S3 | 2024 05 14.77495 | 20 31 51.01 | +49 59 55.0 | 13.3 | V | Q21 |
| C/2021 S3 | 2024 05 14.78025 | 20 31 51.22 | +50 00 03.8 | 13.5 | V | Q21 |
| C/2021 S3 | 2024 05 14.99928 | 20 31 59.96 | +50 05 54.4 | 14.3 | G | 134 |
| C/2021 S3 | 2024 05 15.00000 | 20 31 59.94 | +50 05 55.9 | 14.3 | G | 134 |
| C/2021 S3 | 2024 05 15.00073 | 20 32 00.02 | +50 05 56.7 | 14.3 | G | 134 |
| C/2021 S3 | 2024 05 15.00145 | 20 32 00.00 | +50 05 58.1 | 14.3 | G | 134 |
| C/2021 S3 | 2024 05 15.00218 | 20 32 00.00 | +50 05 59.5 | 14.3 | G | 134 |
| C/2021 S3 | 2024 05 15.00289 | 20 32 00.04 | +50 06 00.3 | 14.3 | G | 134 |
| C/2021 S3 | 2024 05 15.00362 | 20 32 00.10 | +50 06 01.6 | 14.3 | G | 134 |
| C/2021 S3 | 2024 05 15.00434 | 20 32 00.15 | +50 06 03.1 | 14.3 | G | 134 |
| C/2021 S3 | 2024 05 15.00507 | 20 32 00.14 | +50 06 03.9 | 14.3 | G | 134 |
| C/2021 S3 | 2024 05 15.00579 | 20 32 00.20 | +50 06 05.3 | 14.3 | G | 134 |
| C/2021 S3 | 2024 05 15.34470 | 20 32 13.04 | +50 15 17.3 | 13.9 | V | 303 |
| C/2021 S3 | 2024 05 15.35824 | 20 32 13.51 | +50 15 39.0 | 13.9 | V | 303 |
| C/2021 S3 | 2024 05 15.36050 | 20 32 13.57 | +50 15 42.5 | 13.8 | V | 303 |
| C/2021 S3 | 2024 05 15.37314 | 20 32 14.05 | +50 16 03.0 | 13.9 | V | 303 |
| C/2021 S3 | 2024 05 15.94635 | 20 32 35.46 | +50 31 08.4 | 14.4 | G | 134 |
| C/2021 S3 | 2024 05 15.94708 | 20 32 35.35 | +50 31 10.2 | 14.4 | G | 134 |