| Name | Date/time | RA | Dec | Magnitude | Filter | Site Code |
|---|---|---|---|---|---|---|
| C/2021 S3 | 2023 04 04.79033 | 05 23 19.33 | -29 23 51.1 | 14.6 | o | M22 |
| C/2021 S3 | 2023 04 06.04823 | 05 24 03.78 | -29 14 07.6 | 14.4 | o | W68 |
| C/2021 S3 | 2023 04 06.05839 | 05 24 04.16 | -29 14 02.9 | 14.4 | o | W68 |
| C/2021 S3 | 2023 04 06.07089 | 05 24 04.60 | -29 13 57.3 | 14.6 | o | W68 |
| C/2021 S3 | 2023 04 10.77759 | 05 27 03.48 | -28 38 18.8 | 14.4 | o | M22 |
| C/2021 S3 | 2023 04 10.78056 | 05 27 03.63 | -28 38 17.7 | 14.5 | o | M22 |
| C/2021 S3 | 2023 04 10.79632 | 05 27 04.23 | -28 38 10.5 | 14.4 | o | M22 |
| C/2021 S3 | 2023 04 11.98255 | 05 27 52.44 | -28 29 23.7 | 14.8 | c | W68 |
| C/2021 S3 | 2023 04 11.98774 | 05 27 52.65 | -28 29 21.5 | 14.8 | c | W68 |
| C/2021 S3 | 2023 04 11.99058 | 05 27 52.77 | -28 29 20.1 | 14.8 | c | W68 |
| C/2021 S3 | 2023 04 12.00080 | 05 27 53.18 | -28 29 15.6 | 14.8 | c | W68 |
| C/2021 S3 | 2023 04 13.75851 | 05 29 06.81 | -28 16 23.4 | 14.4 | o | M22 |
| C/2021 S3 | 2023 04 13.77271 | 05 29 07.40 | -28 16 17.2 | 14.7 | o | M22 |
| C/2021 S3 | 2023 04 13.77576 | 05 29 07.56 | -28 16 15.8 | 14.3 | o | M22 |
| C/2021 S3 | 2023 04 13.78350 | 05 29 07.85 | -28 16 12.4 | 14.4 | o | M22 |
| C/2021 S3 | 2023 04 14.97951 | 05 29 59.49 | -28 07 34.1 | 14.9 | c | W68 |
| C/2021 S3 | 2023 04 14.98330 | 05 29 59.66 | -28 07 32.5 | 14.8 | c | W68 |
| C/2021 S3 | 2023 04 14.98894 | 05 29 59.93 | -28 07 30.3 | 16.1 | c | W68 |
| C/2021 S3 | 2023 04 15.00005 | 05 30 00.41 | -28 07 25.5 | 16.2 | c | W68 |
| C/2021 S3 | 2023 04 16.74528 | 05 31 17.92 | -27 54 58.6 | 14.4 | o | M22 |