| Name | Date/time | RA | Dec | Magnitude | Filter | Site Code |
|---|---|---|---|---|---|---|
| C/2021 S3 | 2023 06 01.98003 | 06 19 11.28 | -23 59 52.4 | 14.8 | o | W68 |
| C/2021 S3 | 2023 06 01.98375 | 06 19 11.60 | -23 59 51.4 | 15.6 | o | W68 |
| C/2021 S3 | 2023 06 01.99836 | 06 19 12.69 | -23 59 49.7 | 14.8 | o | W68 |
| C/2021 S3 | 2023 06 04.95035 | 06 23 03.46 | -23 52 08.4 | 14.8 | o | W68 |
| C/2021 S3 | 2023 06 04.95316 | 06 23 03.65 | -23 52 08.6 | 14.3 | o | W68 |
| C/2021 S3 | 2023 06 04.96242 | 06 23 04.41 | -23 52 06.6 | 14.6 | o | W68 |
| C/2021 S3 | 2023 06 04.97251 | 06 23 05.20 | -23 52 05.2 | 14.4 | o | W68 |
| C/2021 S3 | 2023 06 07.95062 | 06 27 03.17 | -23 45 20.6 | 14.5 | o | W68 |
| C/2021 S3 | 2023 06 07.95334 | 06 27 03.39 | -23 45 19.9 | 14.5 | o | W68 |
| C/2021 S3 | 2023 06 07.96161 | 06 27 04.04 | -23 45 19.0 | 14.7 | o | W68 |
| C/2021 S3 | 2023 06 07.97170 | 06 27 04.86 | -23 45 17.6 | 14.7 | o | W68 |
| C/2021 S3 | 2023 06 13.89602 | 06 35 13.50 | -23 34 54.4 | C53 | ||
| C/2021 S3 | 2023 06 13.89843 | 06 35 13.72 | -23 34 53.7 | C53 | ||
| C/2021 S3 | 2023 06 13.90084 | 06 35 13.94 | -23 34 53.4 | C53 | ||
| C/2021 S3 | 2023 06 13.90806 | 06 35 14.74 | -23 34 54.0 | C53 | ||
| C/2021 S3 | 2023 06 13.91047 | 06 35 14.96 | -23 34 55.1 | C53 | ||
| C/2021 S3 | 2023 07 23.77824 | 07 38 15.99 | -24 14 50.6 | C53 | ||
| C/2021 S3 | 2023 07 23.78102 | 07 38 16.40 | -24 14 50.1 | C53 | ||
| C/2021 S3 | 2023 07 23.78380 | 07 38 16.75 | -24 14 51.5 | C53 | ||
| C/2021 S3 | 2023 07 23.78936 | 07 38 17.36 | -24 14 52.3 | C53 |