| Name | Date/time | RA | Dec | Magnitude | Filter | Site Code |
|---|---|---|---|---|---|---|
| C/2021 S3 | 2024 04 07.15635 | 19 40 49.30 | +26 49 09.5 | Y89 | ||
| C/2021 S3 | 2024 04 09.06131 | 19 44 30.84 | +28 18 13.7 | 13.7 | G | G00 |
| C/2021 S3 | 2024 04 09.06293 | 19 44 31.01 | +28 18 18.2 | 13.5 | G | G00 |
| C/2021 S3 | 2024 04 09.06562 | 19 44 31.32 | +28 18 25.6 | 13.5 | G | G00 |
| C/2021 S3 | 2024 04 09.15278 | 19 44 41.31 | +28 22 28.7 | 13.1 | G | Z10 |
| C/2021 S3 | 2024 04 09.15999 | 19 44 42.12 | +28 22 48.4 | 13.3 | G | Z10 |
| C/2021 S3 | 2024 04 09.16797 | 19 44 43.03 | +28 23 11.1 | 13.3 | G | Z10 |
| C/2021 S3 | 2024 04 09.73307 | 19 45 47.58 | +28 49 12.6 | 14.4 | N | 900 |
| C/2021 S3 | 2024 04 09.74016 | 19 45 48.38 | +28 49 32.4 | 14.5 | N | 900 |
| C/2021 S3 | 2024 04 10.06223 | 19 46 24.71 | +29 04 13.9 | 12.9 | G | I81 |
| C/2021 S3 | 2024 04 10.06512 | 19 46 25.06 | +29 04 21.5 | 13.0 | G | I81 |
| C/2021 S3 | 2024 04 10.06800 | 19 46 25.28 | +29 04 29.1 | 12.9 | G | I81 |
| C/2021 S3 | 2024 04 10.57383 | 19 47 22.41 | +29 27 39.1 | 12.7 | o | T05 |
| C/2021 S3 | 2024 04 10.58763 | 19 47 23.93 | +29 28 16.9 | 12.7 | o | T05 |
| C/2021 S3 | 2024 04 10.60142 | 19 47 25.43 | +29 28 54.5 | 12.7 | o | T05 |
| C/2021 S3 | 2024 04 10.70713 | 19 47 37.39 | +29 33 40.8 | 12.7 | V | Q21 |
| C/2021 S3 | 2024 04 10.72367 | 19 47 39.27 | +29 34 26.2 | 13.1 | V | Q21 |
| C/2021 S3 | 2024 04 11.13629 | 19 48 25.05 | +29 53 05.7 | 13.8 | R | 215 |
| C/2021 S3 | 2024 04 11.13758 | 19 48 25.18 | +29 53 09.2 | 13.8 | R | 215 |
| C/2021 S3 | 2024 04 11.13888 | 19 48 25.33 | +29 53 12.7 | 13.7 | R | 215 |