| Name | Date/time | RA | Dec | Magnitude | Filter | Site Code |
|---|---|---|---|---|---|---|
| C/2021 S3 | 2024 06 30.88082 | 20 13 20.92 | +62 27 40.1 | 15.0 | N | L06 |
| C/2021 S3 | 2024 06 30.88324 | 20 13 20.74 | +62 27 40.7 | 15.1 | N | L06 |
| C/2021 S3 | 2024 06 30.88566 | 20 13 20.55 | +62 27 41.5 | 14.9 | N | L06 |
| C/2021 S3 | 2024 06 30.89517 | 20 13 19.76 | +62 27 43.1 | 14.7 | G | L39 |
| C/2021 S3 | 2024 06 30.90169 | 20 13 19.21 | +62 27 45.7 | 14.8 | G | L39 |
| C/2021 S3 | 2024 06 30.94977 | 20 13 15.61 | +62 28 00.0 | 15.0 | G | Z10 |
| C/2021 S3 | 2024 06 30.95666 | 20 13 15.07 | +62 28 02.0 | 15.0 | G | Z10 |
| C/2021 S3 | 2024 06 30.96431 | 20 13 14.45 | +62 28 04.2 | 15.0 | G | Z10 |
| C/2021 S3 | 2024 07 01.00166 | 20 13 11.22 | +62 28 15.0 | 15.4 | G | M35 |
| C/2021 S3 | 2024 07 01.01826 | 20 13 09.90 | +62 28 19.3 | 15.4 | G | M35 |
| C/2021 S3 | 2024 07 02.01306 | 20 11 52.56 | +62 32 39.1 | 15.0 | G | Z10 |
| C/2021 S3 | 2024 07 02.01938 | 20 11 52.05 | +62 32 40.6 | 15.0 | G | Z10 |
| C/2021 S3 | 2024 07 02.02731 | 20 11 51.40 | +62 32 42.6 | 15.0 | G | Z10 |
| C/2021 S3 | 2024 07 03.53871 | 20 09 51.67 | +62 38 20.1 | 15.2 | N | 900 |
| C/2021 S3 | 2024 07 03.54572 | 20 09 51.10 | +62 38 21.6 | 15.3 | N | 900 |
| C/2021 S3 | 2024 07 03.99185 | 20 09 15.10 | +62 39 49.0 | 14.7 | V | Y99 |
| C/2021 S3 | 2024 07 04.01170 | 20 09 13.45 | +62 39 52.8 | 14.7 | V | Y99 |
| C/2021 S3 | 2024 07 04.03155 | 20 09 11.80 | +62 39 56.5 | 14.7 | V | Y99 |
| C/2021 S3 | 2024 07 04.07968 | 20 09 07.80 | +62 40 05.8 | 15.0 | G | Z10 |
| C/2021 S3 | 2024 07 04.08679 | 20 09 07.21 | +62 40 07.1 | 15.0 | G | Z10 |