| Name | Date/time | RA | Dec | Magnitude | Filter | Site Code |
|---|---|---|---|---|---|---|
| C/2021 S3 | 2024 05 03.99226 | 20 22 24.55 | +44 39 22.2 | 13.4 | R | C23 |
| C/2021 S3 | 2024 05 03.99525 | 20 22 24.78 | +44 39 28.1 | 13.5 | R | C23 |
| C/2021 S3 | 2024 05 04.04486 | 20 22 27.99 | +44 41 05.7 | 13.5 | R | C23 |
| C/2021 S3 | 2024 05 04.04786 | 20 22 28.19 | +44 41 11.6 | 13.5 | R | C23 |
| C/2021 S3 | 2024 05 04.08335 | 20 22 30.44 | +44 42 20.5 | 13.7 | r | M09 |
| C/2021 S3 | 2024 05 04.08843 | 20 22 30.75 | +44 42 30.6 | 13.7 | r | M09 |
| C/2021 S3 | 2024 05 04.09315 | 20 22 31.05 | +44 42 39.7 | 13.7 | r | M09 |
| C/2021 S3 | 2024 05 04.60149 | 20 23 04.06 | +44 59 04.7 | D95 | ||
| C/2021 S3 | 2024 05 04.60366 | 20 23 04.20 | +44 59 08.9 | D95 | ||
| C/2021 S3 | 2024 05 04.60729 | 20 23 04.43 | +44 59 15.9 | 11.1 | T | D95 |
| C/2021 S3 | 2024 05 04.71395 | 20 23 11.18 | +45 02 43.4 | 367 | ||
| C/2021 S3 | 2024 05 04.71639 | 20 23 11.32 | +45 02 48.2 | 367 | ||
| C/2021 S3 | 2024 05 04.71882 | 20 23 11.48 | +45 02 52.9 | 11.1 | T | 367 |
| C/2021 S3 | 2024 05 04.72665 | 20 23 11.79 | +45 03 08.9 | 12.5 | V | Q21 |
| C/2021 S3 | 2024 05 04.73196 | 20 23 12.13 | +45 03 18.9 | 12.5 | V | Q21 |
| C/2021 S3 | 2024 05 04.73724 | 20 23 12.46 | +45 03 29.0 | 12.6 | V | Q21 |
| C/2021 S3 | 2024 05 04.74254 | 20 23 12.82 | +45 03 39.3 | 12.7 | V | Q21 |
| C/2021 S3 | 2024 05 04.74782 | 20 23 13.18 | +45 03 49.9 | 12.8 | V | Q21 |
| C/2021 S3 | 2024 05 04.75310 | 20 23 13.55 | +45 04 00.2 | 13.0 | V | Q21 |
| C/2021 S3 | 2024 05 04.75734 | 20 23 13.81 | +45 04 08.6 | 13.1 | V | Q21 |