| Name | Date/time | RA | Dec | Magnitude | Filter | Site Code |
|---|---|---|---|---|---|---|
| C/2021 S3 | 2024 05 16.03000 | 20 32 38.33 | +50 33 18.8 | 13.6 | G | I81 |
| C/2021 S3 | 2024 05 16.03429 | 20 32 38.47 | +50 33 25.7 | 13.7 | G | I81 |
| C/2021 S3 | 2024 05 16.16778 | 20 32 43.41 | +50 36 58.1 | 13.7 | V | W24 |
| C/2021 S3 | 2024 05 16.17534 | 20 32 43.71 | +50 37 10.2 | 13.5 | V | W24 |
| C/2021 S3 | 2024 05 16.18263 | 20 32 44.18 | +50 37 21.5 | 13.2 | V | W24 |
| C/2021 S3 | 2024 05 16.37521 | 20 32 50.62 | +50 42 29.6 | 13.8 | R | H47 |
| C/2021 S3 | 2024 05 16.38426 | 20 32 50.91 | +50 42 44.1 | 13.8 | R | H47 |
| C/2021 S3 | 2024 05 16.39153 | 20 32 51.15 | +50 42 55.0 | 13.8 | R | H47 |
| C/2021 S3 | 2024 05 16.39456 | 20 32 51.24 | +50 43 00.2 | 13.8 | R | H47 |
| C/2021 S3 | 2024 05 17.14269 | 20 33 16.70 | +51 02 26.5 | 14.0 | r | 213 |
| C/2021 S3 | 2024 05 17.14696 | 20 33 16.83 | +51 02 32.7 | 14.0 | r | 213 |
| C/2021 S3 | 2024 05 17.15039 | 20 33 16.93 | +51 02 38.4 | 14.0 | r | 213 |
| C/2021 S3 | 2024 05 17.29639 | 20 33 21.97 | +51 06 28.9 | 14.0 | V | 303 |
| C/2021 S3 | 2024 05 17.32200 | 20 33 22.59 | +51 07 08.2 | 13.4 | V | 303 |
| C/2021 S3 | 2024 05 17.34231 | 20 33 23.37 | +51 07 39.9 | 13.8 | V | 303 |
| C/2021 S3 | 2024 05 17.35134 | 20 33 23.60 | +51 07 54.5 | 13.8 | V | 303 |
| C/2021 S3 | 2024 05 17.76350 | 20 33 36.74 | +51 18 24.0 | 13.1 | V | Q21 |
| C/2021 S3 | 2024 05 17.76878 | 20 33 36.89 | +51 18 32.6 | 13.1 | V | Q21 |
| C/2021 S3 | 2024 05 17.92080 | 20 33 41.99 | +51 22 20.8 | 13.5 | G | 160 |
| C/2021 S3 | 2024 05 17.92958 | 20 33 42.24 | +51 22 34.9 | 13.4 | G | 160 |