| Name | Date/time | RA | Dec | Magnitude | Filter | Site Code |
|---|---|---|---|---|---|---|
| C/2021 S3 | 2025 05 02.07384 | 23 23 44.46 | +37 23 06.8 | 17.7 | R | 215 |
| C/2021 S3 | 2025 05 02.07513 | 23 23 44.51 | +37 23 07.5 | 17.6 | R | 215 |
| C/2021 S3 | 2025 05 04.77058 | 23 25 27.90 | +37 39 17.1 | 17.0 | T | 349 |
| C/2021 S3 | 2025 05 04.77916 | 23 25 28.25 | +37 39 20.6 | 349 | ||
| C/2021 S3 | 2025 06 03.07389 | 23 39 35.18 | +40 34 31.3 | 17.3 | R | C23 |
| C/2021 S3 | 2025 06 03.07875 | 23 39 35.16 | +40 34 31.2 | 17.4 | R | C23 |
| C/2021 S3 | 2025 06 03.57448 | 23 39 44.81 | +40 37 27.1 | 18.9 | o | T08 |
| C/2021 S3 | 2025 06 03.57769 | 23 39 44.86 | +40 37 28.5 | 17.7 | o | T08 |
| C/2021 S3 | 2025 06 03.59838 | 23 39 45.22 | +40 37 36.1 | 18.6 | o | T08 |
| C/2021 S3 | 2025 06 03.61207 | 23 39 45.63 | +40 37 41.5 | 18.7 | o | T08 |
| C/2021 S3 | 2025 06 04.74625 | 23 40 06.56 | +40 44 13.7 | Q11 | ||
| C/2021 S3 | 2025 06 04.75193 | 23 40 06.66 | +40 44 15.5 | Q11 | ||
| C/2021 S3 | 2025 06 04.75799 | 23 40 06.77 | +40 44 17.7 | 17.6 | T | Q11 |
| C/2021 S3 | 2025 06 07.55850 | 23 40 54.74 | +41 00 19.8 | 17.6 | o | T08 |
| C/2021 S3 | 2025 06 07.58152 | 23 40 55.16 | +41 00 27.6 | 17.7 | o | T08 |
| C/2021 S3 | 2025 06 07.58752 | 23 40 55.27 | +41 00 31.2 | 18.6 | o | T08 |
| C/2021 S3 | 2025 06 07.60136 | 23 40 55.52 | +41 00 34.2 | 18.9 | o | T08 |
| C/2021 S3 | 2025 06 15.58539 | 23 42 40.08 | +41 44 52.4 | 18.6 | o | T08 |
| C/2021 S3 | 2025 06 15.59292 | 23 42 40.30 | +41 44 57.5 | 17.2 | o | T08 |
| C/2021 S3 | 2025 06 15.60600 | 23 42 40.40 | +41 45 02.4 | 18.6 | o | T08 |