| Name | Date/time | RA | Dec | Magnitude | Filter | Site Code |
|---|---|---|---|---|---|---|
| C/2021 S3 | 2024 06 13.94949 | 20 30 55.65 | +59 59 25.6 | 14.2 | G | C43 |
| C/2021 S3 | 2024 06 13.95566 | 20 30 55.39 | +59 59 30.5 | 14.2 | G | C43 |
| C/2021 S3 | 2024 06 13.95830 | 20 30 55.25 | +59 59 32.5 | 15.3 | N | M18 |
| C/2021 S3 | 2024 06 13.96160 | 20 30 55.10 | +59 59 35.2 | 14.2 | G | C43 |
| C/2021 S3 | 2024 06 13.98732 | 20 30 53.93 | +59 59 55.0 | 15.3 | N | M18 |
| C/2021 S3 | 2024 06 14.51345 | 20 30 30.54 | +60 06 37.4 | 13.8 | o | T05 |
| C/2021 S3 | 2024 06 14.51616 | 20 30 30.42 | +60 06 39.6 | 13.9 | o | T05 |
| C/2021 S3 | 2024 06 14.51933 | 20 30 30.26 | +60 06 41.9 | 13.8 | o | T05 |
| C/2021 S3 | 2024 06 14.52651 | 20 30 29.91 | +60 06 47.5 | 13.8 | o | T05 |
| C/2021 S3 | 2024 06 14.57955 | 20 30 27.73 | +60 07 25.6 | 903 | ||
| C/2021 S3 | 2024 06 14.58421 | 20 30 27.66 | +60 07 28.2 | 903 | ||
| C/2021 S3 | 2024 06 14.58848 | 20 30 27.36 | +60 07 31.5 | 12.2 | T | 903 |
| C/2021 S3 | 2024 06 15.24420 | 20 29 57.29 | +60 15 37.4 | 13.8 | N | V16 |
| C/2021 S3 | 2024 06 15.25054 | 20 29 56.96 | +60 15 42.0 | 13.8 | N | V16 |
| C/2021 S3 | 2024 06 15.25780 | 20 29 56.62 | +60 15 47.5 | 13.9 | N | V16 |
| C/2021 S3 | 2024 06 15.26262 | 20 29 56.41 | +60 15 51.0 | 13.9 | N | V16 |
| C/2021 S3 | 2024 06 15.99336 | 20 29 21.42 | +60 24 37.9 | 14.2 | N | J01 |
| C/2021 S3 | 2024 06 16.00015 | 20 29 21.06 | +60 24 42.3 | 14.2 | N | J01 |
| C/2021 S3 | 2024 06 16.00384 | 20 29 20.87 | +60 24 45.8 | 14.2 | N | J01 |
| C/2021 S3 | 2024 06 16.82894 | 20 28 39.89 | +60 34 21.0 | 14.2 | G | L76 |