| Name | Date/time | RA | Dec | Magnitude | Filter | Site Code |
|---|---|---|---|---|---|---|
| C/2021 S4 | 2023 09 18.61308 | 04 59 10.23 | +39 00 35.1 | 17.8 | c | T05 |
| C/2021 S4 | 2023 09 19.54308 | 04 59 25.33 | +39 03 40.1 | 18.5 | c | T05 |
| C/2021 S4 | 2023 09 19.55629 | 04 59 25.52 | +39 03 42.4 | 17.7 | c | T05 |
| C/2021 S4 | 2023 09 19.56019 | 04 59 25.61 | +39 03 42.8 | 18.1 | c | T05 |
| C/2021 S4 | 2023 09 19.56641 | 04 59 25.66 | +39 03 43.9 | 17.6 | c | T05 |
| C/2021 S4 | 2023 09 20.41698 | 04 59 38.97 | +39 06 32.0 | 17.7 | c | T05 |
| C/2021 S4 | 2023 09 20.42117 | 04 59 39.11 | +39 06 31.8 | 18.1 | c | T05 |
| C/2021 S4 | 2023 09 20.42670 | 04 59 39.32 | +39 06 34.1 | 18.6 | c | T05 |
| C/2021 S4 | 2023 09 20.43674 | 04 59 39.38 | +39 06 34.7 | 18.4 | c | T05 |
| C/2021 S4 | 2023 09 21.61721 | 04 59 56.87 | +39 10 29.3 | 18.0 | c | T05 |
| C/2021 S4 | 2023 09 21.61992 | 04 59 56.89 | +39 10 29.6 | 18.4 | c | T05 |
| C/2021 S4 | 2023 09 21.62280 | 04 59 56.93 | +39 10 30.5 | 18.1 | c | T05 |
| C/2021 S4 | 2023 09 21.62857 | 04 59 57.12 | +39 10 30.9 | 18.4 | c | T05 |
| C/2021 S4 | 2023 09 22.44024 | 05 00 08.55 | +39 13 10.8 | 17.6 | G | G96 |
| C/2021 S4 | 2023 09 22.44873 | 05 00 08.68 | +39 13 12.5 | 17.6 | G | G96 |
| C/2021 S4 | 2023 09 22.45594 | 05 00 08.77 | +39 13 13.8 | 17.6 | G | G96 |
| C/2021 S4 | 2023 09 22.46171 | 05 00 08.85 | +39 13 15.0 | 17.6 | G | G96 |
| C/2021 S4 | 2023 09 26.55343 | 05 00 59.97 | +39 26 32.9 | 17.6 | o | T05 |
| C/2021 S4 | 2023 09 26.57379 | 05 01 00.10 | +39 26 36.8 | 17.3 | o | T05 |
| C/2021 S4 | 2023 09 26.59079 | 05 01 00.39 | +39 26 40.1 | 17.2 | o | T05 |