| Name | Date/time | RA | Dec | Magnitude | Filter | Site Code |
|---|---|---|---|---|---|---|
| C/2021 S3 | 2024 06 20.88118 | 20 24 54.80 | +61 16 49.6 | 15.8 | B | 193 |
| C/2021 S3 | 2024 06 20.88527 | 20 24 54.55 | +61 16 51.9 | 15.8 | B | 193 |
| C/2021 S3 | 2024 06 20.88934 | 20 24 54.29 | +61 16 54.3 | 16.0 | B | 193 |
| C/2021 S3 | 2024 06 20.89343 | 20 24 54.01 | +61 16 56.7 | 16.0 | B | 193 |
| C/2021 S3 | 2024 06 20.89750 | 20 24 53.77 | +61 16 58.9 | 15.9 | B | 193 |
| C/2021 S3 | 2024 06 21.96626 | 20 23 48.68 | +61 26 50.0 | 14.4 | V | Y99 |
| C/2021 S3 | 2024 06 21.97580 | 20 23 47.94 | +61 26 54.9 | 14.4 | R | C23 |
| C/2021 S3 | 2024 06 21.97969 | 20 23 47.82 | +61 26 57.3 | 14.5 | V | Y99 |
| C/2021 S3 | 2024 06 21.98671 | 20 23 47.23 | +61 27 00.8 | 14.6 | R | C23 |
| C/2021 S3 | 2024 06 21.99254 | 20 23 46.97 | +61 27 04.5 | 14.5 | V | Y99 |
| C/2021 S3 | 2024 06 21.99447 | 20 23 46.76 | +61 27 05.0 | 14.5 | R | C23 |
| C/2021 S3 | 2024 06 22.00720 | 20 23 45.94 | +61 27 12.1 | 14.4 | R | C23 |
| C/2021 S3 | 2024 06 22.53207 | 20 23 12.68 | +61 31 52.2 | 13.8 | o | T05 |
| C/2021 S3 | 2024 06 22.53543 | 20 23 12.46 | +61 31 54.1 | 13.8 | o | T05 |
| C/2021 S3 | 2024 06 22.59459 | 20 23 08.50 | +61 32 24.6 | 13.9 | o | T05 |
| C/2021 S3 | 2024 06 22.59948 | 20 23 08.18 | +61 32 27.1 | 13.8 | o | T05 |
| C/2021 S3 | 2024 06 22.95997 | 20 22 45.66 | +61 35 31.0 | 14.4 | R | C23 |
| C/2021 S3 | 2024 06 22.96521 | 20 22 45.28 | +61 35 33.5 | 14.3 | R | C23 |
| C/2021 S3 | 2024 06 22.96567 | 20 22 45.29 | +61 35 33.4 | 14.4 | G | 970 |
| C/2021 S3 | 2024 06 22.97045 | 20 22 44.92 | +61 35 36.1 | 14.4 | R | C23 |