| Name | Date/time | RA | Dec | Magnitude | Filter | Site Code |
|---|---|---|---|---|---|---|
| C/2021 S3 | 2024 06 09.04639 | 20 33 57.29 | +58 50 55.2 | 14.3 | r | M09 |
| C/2021 S3 | 2024 06 09.05174 | 20 33 57.12 | +58 51 00.2 | 14.3 | r | M09 |
| C/2021 S3 | 2024 06 09.05656 | 20 33 56.96 | +58 51 04.5 | 14.3 | r | M09 |
| C/2021 S3 | 2024 06 09.95970 | 20 33 28.51 | +59 04 31.5 | 14.1 | R | C23 |
| C/2021 S3 | 2024 06 09.96419 | 20 33 28.35 | +59 04 35.5 | 14.1 | R | C23 |
| C/2021 S3 | 2024 06 09.97017 | 20 33 28.15 | +59 04 40.8 | 14.1 | R | C23 |
| C/2021 S3 | 2024 06 10.02064 | 20 33 26.39 | +59 05 26.2 | 14.3 | r | M09 |
| C/2021 S3 | 2024 06 10.02599 | 20 33 26.20 | +59 05 30.9 | 14.3 | r | M09 |
| C/2021 S3 | 2024 06 10.03081 | 20 33 26.03 | +59 05 35.1 | 14.4 | r | M09 |
| C/2021 S3 | 2024 06 10.66973 | 20 33 04.35 | +59 14 52.6 | 14.6 | N | 900 |
| C/2021 S3 | 2024 06 10.67185 | 20 33 04.39 | +59 14 55.2 | 903 | ||
| C/2021 S3 | 2024 06 10.67535 | 20 33 04.27 | +59 14 58.4 | 903 | ||
| C/2021 S3 | 2024 06 10.67674 | 20 33 04.12 | +59 14 58.8 | 15.0 | N | 900 |
| C/2021 S3 | 2024 06 10.69417 | 20 33 03.37 | +59 15 14.3 | 12.3 | T | 903 |
| C/2021 S3 | 2024 06 10.98906 | 20 32 53.15 | +59 19 25.4 | 14.2 | N | Z55 |
| C/2021 S3 | 2024 06 10.98943 | 20 32 53.16 | +59 19 26.0 | 14.2 | N | Z55 |
| C/2021 S3 | 2024 06 10.98979 | 20 32 53.23 | +59 19 26.0 | 14.2 | N | Z55 |
| C/2021 S3 | 2024 06 10.99015 | 20 32 53.17 | +59 19 26.2 | 14.2 | N | Z55 |
| C/2021 S3 | 2024 06 11.13714 | 20 32 47.91 | +59 21 29.5 | 13.7 | V | W24 |
| C/2021 S3 | 2024 06 11.15152 | 20 32 47.39 | +59 21 41.9 | 13.7 | V | W24 |