| Name | Date/time | RA | Dec | Magnitude | Filter | Site Code |
|---|---|---|---|---|---|---|
| C/2021 S3 | 2024 05 14.01086 | 20 31 20.53 | +49 39 05.6 | 13.8 | R | C23 |
| C/2021 S3 | 2024 05 14.01822 | 20 31 20.78 | +49 39 18.1 | 13.6 | G | B50 |
| C/2021 S3 | 2024 05 14.02706 | 20 31 21.15 | +49 39 32.8 | 13.7 | G | B50 |
| C/2021 S3 | 2024 05 14.08650 | 20 31 23.47 | +49 41 10.9 | 14.5 | N | M18 |
| C/2021 S3 | 2024 05 14.08953 | 20 31 23.58 | +49 41 16.1 | 14.6 | N | M18 |
| C/2021 S3 | 2024 05 14.33183 | 20 31 33.56 | +49 47 58.3 | 13.8 | V | 303 |
| C/2021 S3 | 2024 05 14.33995 | 20 31 33.88 | +49 48 12.8 | 13.6 | V | 303 |
| C/2021 S3 | 2024 05 14.35350 | 20 31 34.34 | +49 48 33.0 | 13.7 | V | 303 |
| C/2021 S3 | 2024 05 14.37155 | 20 31 34.98 | +49 49 03.4 | 13.7 | V | 303 |
| C/2021 S3 | 2024 05 14.59147 | 20 31 44.07 | +49 54 54.3 | D95 | ||
| C/2021 S3 | 2024 05 14.59437 | 20 31 44.19 | +49 54 59.1 | D95 | ||
| 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 |