| Name | Date/time | RA | Dec | Magnitude | Filter | Site Code |
|---|---|---|---|---|---|---|
| C/2021 S3 | 2025 10 09.62457 | 22 56 26.80 | +41 03 05.8 | 20.0 | G | 900 |
| C/2021 S3 | 2025 10 10.98320 | 22 55 52.24 | +40 53 17.6 | 18.8 | G | 595 |
| C/2021 S3 | 2025 10 10.98594 | 22 55 52.14 | +40 53 17.0 | 18.9 | G | 595 |
| C/2021 S3 | 2025 10 10.98867 | 22 55 51.95 | +40 53 16.0 | 18.6 | G | 595 |
| C/2021 S3 | 2025 10 14.28631 | 22 54 33.31 | +40 29 04.9 | 658 | ||
| C/2021 S3 | 2025 10 14.28965 | 22 54 33.23 | +40 29 03.3 | 658 | ||
| C/2021 S3 | 2025 10 14.29300 | 22 54 33.16 | +40 29 01.9 | 658 | ||
| C/2021 S3 | 2025 10 14.29634 | 22 54 33.07 | +40 29 00.2 | 658 | ||
| C/2021 S3 | 2025 10 14.29970 | 22 54 32.97 | +40 28 59.2 | 658 | ||
| C/2021 S3 | 2025 10 17.53472 | 22 53 22.86 | +40 04 44.3 | 20.0 | V | Q14 |
| C/2021 S3 | 2025 10 17.54186 | 22 53 22.70 | +40 04 41.7 | 20.0 | V | Q14 |
| C/2021 S3 | 2025 10 27.60041 | 22 50 32.11 | +38 47 28.6 | 19.7 | G | 900 |
| C/2021 S3 | 2025 10 27.60745 | 22 50 31.88 | +38 47 23.8 | 20.1 | G | 900 |
| C/2021 S3 | 2025 10 28.89390 | 22 50 15.54 | +38 37 28.1 | 18.8 | R | C23 |
| C/2021 S3 | 2025 10 28.89914 | 22 50 15.46 | +38 37 27.3 | 18.2 | R | C23 |
| C/2021 S3 | 2025 11 09.77322 | 22 48 40.57 | +37 06 29.5 | 18.2 | R | C23 |
| C/2021 S3 | 2025 11 09.77995 | 22 48 40.54 | +37 06 27.2 | 18.1 | R | C23 |
| C/2021 S3 | 2025 11 09.78594 | 22 48 40.46 | +37 06 25.1 | 18.4 | R | C23 |
| C/2021 S3 | 2025 11 15.53147 | 22 48 30.78 | +36 23 54.6 | 18.9 | V | Q14 |
| C/2021 S3 | 2025 11 15.53646 | 22 48 30.51 | +36 23 52.9 | 19.8 | V | Q14 |