| Name | Date/time | RA | Dec | Magnitude | Filter | Site Code |
|---|---|---|---|---|---|---|
| C/2021 S3 | 2024 05 11.02981 | 20 29 06.62 | +48 15 16.5 | 13.6 | R | C23 |
| C/2021 S3 | 2024 05 11.03206 | 20 29 06.73 | +48 15 20.4 | 13.7 | R | C23 |
| C/2021 S3 | 2024 05 11.59286 | 20 29 33.74 | +48 31 26.8 | 11.5 | T | Q23 |
| C/2021 S3 | 2024 05 11.59537 | 20 29 33.85 | +48 31 31.1 | Q23 | ||
| C/2021 S3 | 2024 05 11.69012 | 20 29 38.10 | +48 34 15.2 | 12.9 | V | Q21 |
| C/2021 S3 | 2024 05 11.69539 | 20 29 38.40 | +48 34 24.2 | 13.2 | V | Q21 |
| C/2021 S3 | 2024 05 11.69964 | 20 29 38.63 | +48 34 31.7 | 13.7 | V | Q21 |
| C/2021 S3 | 2024 05 11.96668 | 20 29 51.15 | +48 42 04.6 | 13.0 | G | 160 |
| C/2021 S3 | 2024 05 11.97348 | 20 29 51.47 | +48 42 16.8 | 13.1 | G | 160 |
| C/2021 S3 | 2024 05 11.98016 | 20 29 51.78 | +48 42 28.8 | 13.0 | G | 160 |
| C/2021 S3 | 2024 05 12.03636 | 20 29 54.29 | +48 44 04.8 | 14.5 | N | M18 |
| C/2021 S3 | 2024 05 12.05629 | 20 29 55.16 | +48 44 38.9 | 14.5 | N | M18 |
| C/2021 S3 | 2024 05 12.07622 | 20 29 56.03 | +48 45 13.0 | 14.5 | N | M18 |
| C/2021 S3 | 2024 05 14.00190 | 20 31 20.15 | +49 38 50.8 | 13.9 | G | B72 |
| C/2021 S3 | 2024 05 14.00403 | 20 31 20.23 | +49 38 54.4 | 14.0 | G | B72 |
| C/2021 S3 | 2024 05 14.00487 | 20 31 20.24 | +49 38 55.4 | 13.7 | R | C23 |
| C/2021 S3 | 2024 05 14.00617 | 20 31 20.32 | +49 38 57.9 | 14.0 | G | B72 |
| C/2021 S3 | 2024 05 14.00787 | 20 31 20.37 | +49 39 00.7 | 13.7 | R | C23 |
| C/2021 S3 | 2024 05 14.00794 | 20 31 20.38 | +49 39 00.9 | 14.0 | G | B72 |
| C/2021 S3 | 2024 05 14.00969 | 20 31 20.45 | +49 39 04.0 | 13.7 | G | B50 |