| Name | Date/time | RA | Dec | Magnitude | Filter | Site Code |
|---|---|---|---|---|---|---|
| C/2021 S4 | 2023 09 26.60317 | 05 01 00.51 | +39 26 42.4 | 17.3 | o | T05 |
| C/2021 S4 | 2023 09 28.53392 | 05 01 20.48 | +39 32 54.4 | 17.4 | o | T05 |
| C/2021 S4 | 2023 09 28.53674 | 05 01 20.51 | +39 32 54.7 | 17.8 | o | T05 |
| C/2021 S4 | 2023 09 28.53991 | 05 01 20.54 | +39 32 55.7 | 17.3 | o | T05 |
| C/2021 S4 | 2023 09 28.56388 | 05 01 20.77 | +39 33 00.0 | 17.3 | o | T05 |
| C/2021 S4 | 2023 09 30.12594 | 05 01 34.86 | +39 37 57.8 | 17.8 | V | A77 |
| C/2021 S4 | 2023 09 30.13202 | 05 01 34.69 | +39 37 57.7 | 18.1 | V | A77 |
| C/2021 S4 | 2023 09 30.13770 | 05 01 34.62 | +39 37 59.3 | 18.1 | V | A77 |
| C/2021 S4 | 2023 10 07.04531 | 05 02 16.55 | +39 59 28.3 | 16.8 | G | C95 |
| C/2021 S4 | 2023 10 07.08679 | 05 02 16.70 | +39 59 37.3 | 17.0 | G | C95 |
| C/2021 S4 | 2023 10 08.12901 | 05 02 19.84 | +40 02 46.5 | 17.4 | G | C95 |
| C/2021 S4 | 2023 10 08.16684 | 05 02 19.92 | +40 02 53.5 | 17.5 | G | C95 |
| C/2021 S4 | 2023 10 11.48544 | 05 02 24.77 | +40 12 47.0 | 18.1 | c | T05 |
| C/2021 S4 | 2023 10 11.50688 | 05 02 24.69 | +40 12 51.0 | 17.4 | c | T05 |
| C/2021 S4 | 2023 10 11.51664 | 05 02 24.74 | +40 12 52.8 | 17.7 | c | T05 |
| C/2021 S4 | 2023 10 11.52128 | 05 02 24.83 | +40 12 54.1 | 18.4 | c | T05 |
| C/2021 S4 | 2023 10 17.01344 | 05 02 14.78 | +40 28 35.5 | 17.6 | V | G23 |
| C/2021 S4 | 2023 10 17.02343 | 05 02 14.64 | +40 28 35.5 | 17.5 | V | G23 |
| C/2021 S4 | 2023 10 17.48731 | 05 02 12.70 | +40 29 55.8 | 17.6 | c | T05 |
| C/2021 S4 | 2023 10 17.48912 | 05 02 12.71 | +40 29 55.3 | 18.3 | c | T05 |