| Name | Date/time | RA | Dec | Magnitude | Filter | Site Code |
|---|---|---|---|---|---|---|
| C/2021 S3 | 2025 11 15.56467 | 22 48 30.75 | +36 23 40.2 | 19.7 | G | 900 |
| C/2021 S3 | 2025 11 15.57171 | 22 48 30.54 | +36 23 38.7 | 20.5 | G | 900 |
| C/2021 S3 | 2025 12 08.12760 | 22 51 23.20 | +33 55 31.5 | 19.7 | G | G96 |
| C/2021 S3 | 2025 12 08.13327 | 22 51 23.30 | +33 55 29.8 | 20.3 | G | G96 |
| C/2021 S3 | 2025 12 08.13893 | 22 51 23.42 | +33 55 27.4 | 19.8 | G | G96 |
| C/2021 S3 | 2025 12 08.14459 | 22 51 23.51 | +33 55 26.3 | 20.1 | G | G96 |
| C/2021 S3 | 2025 12 20.82566 | 22 55 06.96 | +32 49 38.9 | 19.6 | G | I81 |
| C/2021 S3 | 2025 12 20.83405 | 22 55 07.16 | +32 49 33.3 | 20.6 | G | I81 |
| C/2021 S3 | 2025 12 27.48847 | 22 57 33.90 | +32 20 52.2 | 19.4 | V | Q14 |
| C/2021 S3 | 2025 12 27.50127 | 22 57 34.32 | +32 20 50.9 | 20.0 | V | Q14 |