| Name | Date/time | RA | Dec | Magnitude | Filter | Site Code |
|---|---|---|---|---|---|---|
| C/2021 S3 | 2025 08 16.05257 | 23 28 31.23 | +44 51 56.9 | 18.2 | G | I81 |
| C/2021 S3 | 2025 08 16.05826 | 23 28 31.02 | +44 51 55.9 | 18.0 | G | I81 |
| C/2021 S3 | 2025 08 19.72526 | 23 26 21.90 | +44 49 23.4 | 19.6 | G | 900 |
| C/2021 S3 | 2025 08 19.73231 | 23 26 21.64 | +44 49 23.2 | 19.6 | G | 900 |
| C/2021 S3 | 2025 08 21.95052 | 23 25 01.37 | +44 46 51.4 | 18.1 | R | C23 |
| C/2021 S3 | 2025 08 21.95501 | 23 25 00.89 | +44 46 53.0 | 18.2 | R | C23 |
| C/2021 S3 | 2025 08 21.95875 | 23 25 00.93 | +44 46 51.4 | 18.3 | R | C23 |
| C/2021 S3 | 2025 08 22.05323 | 23 24 57.36 | +44 46 43.6 | 19.1 | G | 970 |
| C/2021 S3 | 2025 08 22.05906 | 23 24 57.11 | +44 46 42.9 | 19.0 | G | 970 |
| C/2021 S3 | 2025 08 23.39251 | 23 24 08.04 | +44 44 49.7 | 19.4 | o | T05 |
| C/2021 S3 | 2025 08 23.40919 | 23 24 07.46 | +44 44 48.3 | 17.9 | o | T05 |
| C/2021 S3 | 2025 08 23.43964 | 23 24 06.25 | +44 44 46.6 | 19.5 | o | T05 |
| C/2021 S3 | 2025 08 23.44656 | 23 24 06.05 | +44 44 46.7 | 19.2 | o | T05 |
| C/2021 S3 | 2025 08 23.45348 | 23 24 05.78 | +44 44 45.1 | 19.2 | o | T05 |
| C/2021 S3 | 2025 08 23.46039 | 23 24 05.59 | +44 44 44.5 | 19.4 | o | T05 |
| C/2021 S3 | 2025 08 24.92400 | 23 23 11.11 | +44 42 21.5 | 18.0 | R | C23 |
| C/2021 S3 | 2025 08 24.93074 | 23 23 10.91 | +44 42 21.0 | 18.0 | R | C23 |
| C/2021 S3 | 2025 08 24.93748 | 23 23 10.45 | +44 42 19.2 | 18.1 | R | C23 |
| C/2021 S3 | 2025 08 25.04124 | 23 23 06.28 | +44 42 08.2 | 19.3 | G | B50 |
| C/2021 S3 | 2025 08 25.04705 | 23 23 06.16 | +44 42 08.2 | 18.7 | G | B50 |