| Name | Date/time | RA | Dec | Magnitude | Filter | Site Code |
|---|---|---|---|---|---|---|
| C/2021 S3 | 2025 04 06.11516 | 23 04 03.59 | +34 54 31.8 | 18.1 | r | M09 |
| C/2021 S3 | 2025 04 06.12133 | 23 04 04.20 | +34 54 35.1 | 18.0 | r | M09 |
| C/2021 S3 | 2025 04 06.12661 | 23 04 04.56 | +34 54 40.6 | 17.7 | r | M09 |
| C/2021 S3 | 2025 04 08.80027 | 23 06 20.01 | +35 09 06.0 | 903 | ||
| C/2021 S3 | 2025 04 08.80710 | 23 06 20.40 | +35 09 09.6 | 17.2 | T | 903 |
| C/2021 S3 | 2025 04 27.03596 | 23 20 20.71 | +36 53 10.6 | 17.8 | r | M09 |
| C/2021 S3 | 2025 04 27.04301 | 23 20 20.83 | +36 53 12.5 | 18.1 | r | M09 |
| C/2021 S3 | 2025 04 27.05005 | 23 20 21.16 | +36 53 15.0 | 18.3 | r | M09 |
| C/2021 S3 | 2025 04 29.05973 | 23 21 44.07 | +37 05 10.0 | 19.2 | r | M09 |
| C/2021 S3 | 2025 04 29.06677 | 23 21 44.29 | +37 05 13.3 | 18.3 | r | M09 |
| C/2021 S3 | 2025 04 29.07381 | 23 21 44.73 | +37 05 14.8 | 18.5 | r | M09 |
| C/2021 S3 | 2025 04 30.09376 | 23 22 25.95 | +37 11 17.5 | 17.6 | R | C23 |
| C/2021 S3 | 2025 04 30.09825 | 23 22 26.32 | +37 11 19.0 | 17.8 | R | C23 |
| C/2021 S3 | 2025 04 30.70889 | 23 22 50.58 | +37 14 58.4 | D95 | ||
| C/2021 S3 | 2025 04 30.71426 | 23 22 50.76 | +37 15 00.8 | D95 | ||
| C/2021 S3 | 2025 04 30.72176 | 23 22 51.19 | +37 15 03.2 | 17.6 | T | D95 |
| C/2021 S3 | 2025 05 01.03231 | 23 23 03.25 | +37 16 55.1 | 18.5 | r | M09 |
| C/2021 S3 | 2025 05 01.03935 | 23 23 03.59 | +37 16 57.0 | 18.5 | r | M09 |
| C/2021 S3 | 2025 05 01.04639 | 23 23 03.92 | +37 16 59.1 | 18.6 | r | M09 |
| C/2021 S3 | 2025 05 02.07254 | 23 23 44.44 | +37 23 05.4 | 17.7 | R | 215 |