| Name | Date/time | RA | Dec | Magnitude | Filter | Site Code |
|---|---|---|---|---|---|---|
| C/2021 S3 | 2021 09 24.56091 | 05 23 02.10 | -20 37 12.2 | 20.2 | i | F52 |
| C/2021 S3 | 2021 09 24.57109 | 05 23 02.10 | -20 37 15.7 | 19.8 | i | F52 |
| C/2021 S3 | 2021 09 24.59140 | 05 23 02.10 | -20 37 22.1 | 19.7 | i | F52 |
| C/2021 S3 | 2021 09 27.08877 | 05 23 01.34 | -20 50 51.1 | 19.8 | G | K93 |
| C/2021 S3 | 2021 09 27.09184 | 05 23 01.33 | -20 50 52.1 | 20.1 | G | K93 |
| C/2021 S3 | 2021 09 27.09493 | 05 23 01.32 | -20 50 53.2 | 20.2 | G | K93 |
| C/2021 S3 | 2021 09 27.09802 | 05 23 01.34 | -20 50 54.0 | 20.2 | G | K93 |
| C/2021 S3 | 2021 09 28.34524 | 05 22 59.79 | -20 57 40.3 | 19.6 | G | W86 |
| C/2021 S3 | 2021 09 28.34763 | 05 22 59.79 | -20 57 41.2 | 19.8 | G | W86 |
| C/2021 S3 | 2021 09 28.35003 | 05 22 59.78 | -20 57 41.8 | 19.7 | G | W86 |
| C/2021 S3 | 2021 09 28.35242 | 05 22 59.78 | -20 57 42.7 | 19.9 | G | W86 |
| C/2021 S3 | 2021 09 28.61567 | 05 22 59.34 | -20 59 09.2 | 19.6 | G | F51 |
| C/2021 S3 | 2021 09 28.61649 | 05 22 59.34 | -20 59 09.6 | 19.7 | G | F51 |
| C/2021 S3 | 2021 10 02.35502 | 05 22 49.52 | -21 19 31.1 | 18.7 | G | W89 |
| C/2021 S3 | 2021 10 02.36212 | 05 22 49.60 | -21 19 33.6 | 18.8 | G | W89 |
| C/2021 S3 | 2021 10 03.10247 | 05 22 46.76 | -21 23 39.3 | 19.0 | G | L02 |
| C/2021 S3 | 2021 10 03.12131 | 05 22 46.56 | -21 23 43.7 | 18.2 | G | L02 |
| C/2021 S3 | 2021 10 04.31921 | 05 22 41.63 | -21 30 18.0 | 19.6 | G | X02 |
| C/2021 S3 | 2021 10 04.33242 | 05 22 41.56 | -21 30 22.6 | 19.5 | G | X02 |
| C/2021 S3 | 2021 10 04.34839 | 05 22 41.45 | -21 30 28.0 | 19.3 | G | X02 |