| Name | Date/time | RA | Dec | Magnitude | Filter | Site Code |
|---|---|---|---|---|---|---|
| C/2021 S4 | 2023 11 18.49350 | 04 54 26.61 | +41 36 12.8 | 18.2 | c | T05 |
| C/2021 S4 | 2023 11 18.52140 | 04 54 25.97 | +41 36 14.7 | 17.6 | c | T05 |
| C/2021 S4 | 2023 11 18.54625 | 04 54 25.39 | +41 36 15.9 | 17.2 | c | T05 |
| C/2021 S4 | 2023 11 20.49397 | 04 53 39.72 | +41 38 28.5 | 17.0 | c | T05 |
| C/2021 S4 | 2023 11 20.49713 | 04 53 39.65 | +41 38 29.0 | 17.4 | c | T05 |
| C/2021 S4 | 2023 11 20.50322 | 04 53 39.48 | +41 38 29.7 | 17.4 | c | T05 |
| C/2021 S4 | 2023 11 20.51325 | 04 53 39.30 | +41 38 29.7 | 17.4 | c | T05 |
| C/2021 S4 | 2023 11 21.64277 | 04 53 12.25 | +41 39 39.8 | 18.0 | T | 900 |
| C/2021 S4 | 2023 11 21.64977 | 04 53 12.08 | +41 39 40.0 | 18.0 | T | 900 |
| C/2021 S4 | 2023 11 21.72080 | 04 53 10.24 | +41 39 43.9 | 903 | ||
| C/2021 S4 | 2023 11 21.72744 | 04 53 10.07 | +41 39 44.3 | 903 | ||
| C/2021 S4 | 2023 11 21.73407 | 04 53 09.94 | +41 39 45.5 | 17.5 | T | 903 |
| C/2021 S4 | 2023 11 21.91457 | 04 53 05.69 | +41 39 55.4 | 17.8 | G | C23 |
| C/2021 S4 | 2023 11 21.91746 | 04 53 05.63 | +41 39 55.4 | 17.6 | G | C23 |
| C/2021 S4 | 2023 11 21.92034 | 04 53 05.54 | +41 39 55.6 | 17.6 | G | C23 |
| C/2021 S4 | 2023 11 22.45023 | 04 52 52.63 | +41 40 27.5 | 16.9 | o | T05 |
| C/2021 S4 | 2023 11 22.45262 | 04 52 52.60 | +41 40 27.0 | 17.6 | o | T05 |
| C/2021 S4 | 2023 11 22.45579 | 04 52 52.55 | +41 40 27.4 | 17.9 | o | T05 |
| C/2021 S4 | 2023 11 22.50273 | 04 52 51.27 | +41 40 29.8 | 18.0 | o | T05 |
| C/2021 S4 | 2023 11 24.47017 | 04 52 02.74 | +41 42 13.1 | 16.9 | o | T05 |