| Name | Date/time | RA | Dec | Magnitude | Filter | Site Code |
|---|---|---|---|---|---|---|
| C/2021 S3 | 2023 07 23.79352 | 07 38 17.85 | -24 14 54.0 | C53 | ||
| C/2021 S3 | 2023 08 31.40328 | 08 52 43.61 | -27 54 12.6 | 15.8 | G | W88 |
| C/2021 S3 | 2023 08 31.41051 | 08 52 44.47 | -27 54 16.2 | 15.8 | G | W88 |
| C/2021 S3 | 2023 08 31.41753 | 08 52 45.40 | -27 54 19.5 | 15.9 | G | W88 |
| C/2021 S3 | 2023 09 15.37674 | 09 25 30.19 | -29 59 00.9 | 14.5 | G | W88 |
| C/2021 S3 | 2023 09 15.38568 | 09 25 31.41 | -29 59 05.8 | 14.4 | G | W88 |
| C/2021 S3 | 2023 09 15.39477 | 09 25 32.63 | -29 59 10.4 | 14.4 | G | W88 |
| C/2021 S3 | 2023 09 30.36141 | 10 00 51.44 | -32 17 47.7 | 14.2 | G | W88 |
| C/2021 S3 | 2023 09 30.36464 | 10 00 51.90 | -32 17 50.0 | 14.4 | G | W88 |
| C/2021 S3 | 2023 09 30.36813 | 10 00 52.41 | -32 17 51.7 | 14.3 | G | W88 |
| C/2021 S3 | 2023 09 30.37531 | 10 00 53.47 | -32 17 55.4 | 14.5 | G | W88 |
| C/2021 S3 | 2023 10 11.27063 | 10 28 24.26 | -34 02 17.4 | C53 | ||
| C/2021 S3 | 2023 10 11.27521 | 10 28 25.04 | -34 02 20.3 | C53 | ||
| C/2021 S3 | 2023 10 11.28132 | 10 28 26.11 | -34 02 25.2 | C53 | ||
| C/2021 S3 | 2023 10 11.28591 | 10 28 26.89 | -34 02 28.6 | C53 | ||
| C/2021 S3 | 2023 10 20.96385 | 10 54 18.20 | -35 33 34.2 | C53 | ||
| C/2021 S3 | 2023 10 20.96802 | 10 54 18.99 | -35 33 36.4 | C53 | ||
| C/2021 S3 | 2023 10 20.97219 | 10 54 19.73 | -35 33 39.2 | C53 | ||
| C/2021 S3 | 2023 10 20.97636 | 10 54 20.59 | -35 33 42.2 | C53 | ||
| C/2021 S3 | 2023 10 20.98053 | 10 54 21.40 | -35 33 45.5 | C53 |