| Name | Date/time | RA | Dec | Magnitude | Filter | Site Code |
|---|---|---|---|---|---|---|
| C/2021 S3 | 2024 06 12.01982 | 20 32 14.77 | +59 33 49.5 | 14.3 | r | M09 |
| C/2021 S3 | 2024 06 12.02408 | 20 32 14.60 | +59 33 53.0 | 14.3 | r | M09 |
| C/2021 S3 | 2024 06 12.02907 | 20 32 14.30 | +59 33 57.5 | 14.8 | G | 134 |
| C/2021 S3 | 2024 06 12.02980 | 20 32 14.30 | +59 33 57.7 | 14.8 | G | 134 |
| C/2021 S3 | 2024 06 12.03052 | 20 32 14.30 | +59 33 58.8 | 14.8 | G | 134 |
| C/2021 S3 | 2024 06 12.03125 | 20 32 14.24 | +59 33 59.1 | 14.8 | G | 134 |
| C/2021 S3 | 2024 06 12.03197 | 20 32 14.22 | +59 34 00.0 | 14.8 | G | 134 |
| C/2021 S3 | 2024 06 12.03270 | 20 32 14.21 | +59 34 00.4 | 14.8 | G | 134 |
| C/2021 S3 | 2024 06 12.03341 | 20 32 14.18 | +59 34 00.9 | 14.8 | G | 134 |
| C/2021 S3 | 2024 06 12.03414 | 20 32 14.14 | +59 34 01.3 | 14.8 | G | 134 |
| C/2021 S3 | 2024 06 12.03486 | 20 32 14.10 | +59 34 02.1 | 14.8 | G | 134 |
| C/2021 S3 | 2024 06 12.03559 | 20 32 14.11 | +59 34 02.5 | 14.8 | G | 134 |
| C/2021 S3 | 2024 06 12.49944 | 20 31 56.26 | +59 40 19.8 | 12.0 | T | 349 |
| C/2021 S3 | 2024 06 12.50393 | 20 31 56.10 | +59 40 23.4 | 349 | ||
| C/2021 S3 | 2024 06 12.50844 | 20 31 55.90 | +59 40 27.3 | 349 | ||
| C/2021 S3 | 2024 06 12.53133 | 20 31 54.59 | +59 40 49.4 | 13.6 | o | T08 |
| C/2021 S3 | 2024 06 12.53333 | 20 31 54.51 | +59 40 51.1 | 13.7 | o | T08 |
| C/2021 S3 | 2024 06 12.53610 | 20 31 54.39 | +59 40 53.4 | 13.7 | o | T08 |
| C/2021 S3 | 2024 06 12.54155 | 20 31 54.17 | +59 40 57.9 | 13.8 | o | T08 |
| C/2021 S3 | 2024 06 13.00500 | 20 31 35.66 | +59 47 07.3 | 14.7 | G | Z10 |