| Name | Date/time | RA | Dec | Magnitude | Filter | Site Code |
|---|---|---|---|---|---|---|
| C/2021 S3 | 2025 09 22.83072 | 23 05 01.85 | +42 52 18.7 | 18.9 | r | I75 |
| C/2021 S3 | 2025 09 22.85443 | 23 05 01.07 | +42 52 11.6 | 19.0 | r | I75 |
| C/2021 S3 | 2025 09 22.87755 | 23 05 00.18 | +42 52 04.9 | 18.8 | r | I75 |
| C/2021 S3 | 2025 09 25.92208 | 23 03 16.20 | +42 34 12.0 | 19.6 | G | I81 |
| C/2021 S3 | 2025 09 25.92839 | 23 03 15.98 | +42 34 09.5 | 19.1 | G | I81 |
| C/2021 S3 | 2025 09 27.98862 | 23 02 07.73 | +42 21 30.9 | 17.6 | R | C23 |
| C/2021 S3 | 2025 09 27.99087 | 23 02 07.75 | +42 21 31.0 | 17.5 | R | C23 |
| C/2021 S3 | 2025 09 27.99385 | 23 02 07.71 | +42 21 30.7 | 17.3 | R | C23 |
| C/2021 S3 | 2025 09 30.17742 | 23 00 58.10 | +42 07 38.0 | 18.8 | G | G96 |
| C/2021 S3 | 2025 09 30.18277 | 23 00 57.99 | +42 07 36.0 | 18.9 | G | G96 |
| C/2021 S3 | 2025 09 30.18934 | 23 00 57.79 | +42 07 34.0 | 19.0 | G | G96 |
| C/2021 S3 | 2025 09 30.19469 | 23 00 57.59 | +42 07 31.7 | 19.0 | G | G96 |
| C/2021 S3 | 2025 10 02.30615 | 22 59 52.49 | +41 53 42.2 | 21.1 | w | F51 |
| C/2021 S3 | 2025 10 02.31724 | 22 59 52.15 | +41 53 37.7 | 21.3 | w | F51 |
| C/2021 S3 | 2025 10 02.32837 | 22 59 51.81 | +41 53 33.5 | 20.4 | w | F51 |
| C/2021 S3 | 2025 10 03.32145 | 22 59 22.07 | +41 46 55.6 | 20.9 | w | F52 |
| C/2021 S3 | 2025 10 03.33292 | 22 59 21.72 | +41 46 51.0 | 20.6 | w | F52 |
| C/2021 S3 | 2025 10 03.34443 | 22 59 21.36 | +41 46 46.4 | 21.2 | w | F52 |
| C/2021 S3 | 2025 10 03.35595 | 22 59 21.01 | +41 46 41.6 | 21.0 | w | F52 |
| C/2021 S3 | 2025 10 09.61752 | 22 56 26.89 | +41 03 08.9 | 20.2 | G | 900 |