| Name | Date/time | RA | Dec | Magnitude | Filter | Site Code |
|---|---|---|---|---|---|---|
| C/2021 S4 | 2023 10 17.50961 | 05 02 12.61 | +40 29 59.2 | 17.2 | c | T05 |
| C/2021 S4 | 2023 10 17.52948 | 05 02 12.54 | +40 30 02.2 | 17.8 | c | T05 |
| C/2021 S4 | 2023 10 17.96678 | 05 02 10.65 | +40 31 13.9 | 17.9 | G | G00 |
| C/2021 S4 | 2023 10 17.97014 | 05 02 10.66 | +40 31 14.5 | 17.8 | G | G00 |
| C/2021 S4 | 2023 10 17.97462 | 05 02 10.62 | +40 31 15.3 | 17.9 | G | G00 |
| C/2021 S4 | 2023 10 22.98308 | 05 01 38.88 | +40 44 35.8 | 18.8 | G | I81 |
| C/2021 S4 | 2023 10 22.98733 | 05 01 38.85 | +40 44 36.4 | 18.4 | G | I81 |
| C/2021 S4 | 2023 10 22.99156 | 05 01 38.81 | +40 44 36.9 | 18.4 | G | I81 |
| C/2021 S4 | 2023 10 23.06726 | 05 01 38.16 | +40 44 48.9 | 17.7 | G | 970 |
| C/2021 S4 | 2023 10 23.08286 | 05 01 38.09 | +40 44 50.6 | 17.5 | G | 970 |
| C/2021 S4 | 2023 10 25.68718 | 05 01 14.46 | +40 51 25.7 | 17.9 | T | 900 |
| C/2021 S4 | 2023 10 25.69419 | 05 01 14.35 | +40 51 26.4 | 18.3 | T | 900 |
| C/2021 S4 | 2023 10 26.40409 | 05 01 07.12 | +40 53 10.5 | 658 | ||
| C/2021 S4 | 2023 10 26.40968 | 05 01 07.06 | +40 53 11.4 | 658 | ||
| C/2021 S4 | 2023 10 26.41637 | 05 01 06.99 | +40 53 12.4 | 658 | ||
| C/2021 S4 | 2023 10 26.42306 | 05 01 06.91 | +40 53 13.5 | 658 | ||
| C/2021 S4 | 2023 10 26.42976 | 05 01 06.83 | +40 53 14.6 | 658 | ||
| C/2021 S4 | 2023 10 27.15406 | 05 00 59.03 | +40 54 59.8 | 17.5 | V | A77 |
| C/2021 S4 | 2023 10 27.16622 | 05 00 58.99 | +40 55 01.0 | 17.7 | V | A77 |
| C/2021 S4 | 2023 10 27.45275 | 05 00 55.80 | +40 55 43.2 | 17.3 | o | T05 |