| Name | Date/time | RA | Dec | Magnitude | Filter | Site Code |
|---|---|---|---|---|---|---|
| C/2021 S3 | 2024 05 04.74782 | 20 23 13.18 | +45 03 49.9 | 12.8 | V | Q21 |
| C/2021 S3 | 2024 05 04.75310 | 20 23 13.55 | +45 04 00.2 | 13.0 | V | Q21 |
| C/2021 S3 | 2024 05 04.75734 | 20 23 13.81 | +45 04 08.6 | 13.1 | V | Q21 |
| C/2021 S3 | 2024 05 04.99323 | 20 23 28.81 | +45 11 39.8 | 12.7 | G | A98 |
| C/2021 S3 | 2024 05 04.99470 | 20 23 28.90 | +45 11 42.6 | 12.7 | G | A98 |
| C/2021 S3 | 2024 05 04.99513 | 20 23 28.99 | +45 11 42.9 | 13.8 | G | L54 |
| C/2021 S3 | 2024 05 04.99617 | 20 23 28.99 | +45 11 45.5 | 12.8 | G | A98 |
| C/2021 S3 | 2024 05 04.99764 | 20 23 29.09 | +45 11 48.3 | 12.7 | G | A98 |
| C/2021 S3 | 2024 05 04.99911 | 20 23 29.17 | +45 11 51.1 | 12.6 | G | A98 |
| C/2021 S3 | 2024 05 05.00041 | 20 23 29.33 | +45 11 53.1 | 13.6 | G | L54 |
| C/2021 S3 | 2024 05 05.00058 | 20 23 29.27 | +45 11 54.0 | 12.6 | G | A98 |
| C/2021 S3 | 2024 05 05.00205 | 20 23 29.35 | +45 11 57.1 | 12.5 | G | A98 |
| C/2021 S3 | 2024 05 05.00644 | 20 23 29.71 | +45 12 05.5 | 13.0 | G | L54 |
| C/2021 S3 | 2024 05 05.53352 | 20 24 02.68 | +45 28 54.2 | 13.3 | o | T05 |
| C/2021 S3 | 2024 05 05.53895 | 20 24 03.00 | +45 29 04.7 | 13.2 | o | T05 |
| C/2021 S3 | 2024 05 05.56037 | 20 24 04.29 | +45 29 45.7 | 13.3 | o | T05 |
| C/2021 S3 | 2024 05 05.56172 | 20 24 04.44 | +45 29 48.4 | 13.0 | o | T05 |
| C/2021 S3 | 2024 05 05.57103 | 20 24 04.90 | +45 30 06.3 | 12.8 | o | T05 |
| C/2021 S3 | 2024 05 05.58846 | 20 24 06.06 | +45 30 39.6 | 14.2 | o | T05 |
| C/2021 S3 | 2024 05 05.99386 | 20 24 31.04 | +45 43 24.9 | 13.5 | G | L92 |