| Name | Date/time | RA | Dec | Magnitude | Filter | Site Code |
|---|---|---|---|---|---|---|
| C/2021 S4 | 2023 11 06.55995 | 04 58 30.59 | +41 17 33.4 | 17.9 | o | T05 |
| C/2021 S4 | 2023 11 07.96095 | 04 58 05.78 | +41 20 09.2 | 17.3 | G | I81 |
| C/2021 S4 | 2023 11 07.96519 | 04 58 05.70 | +41 20 09.5 | 17.2 | G | I81 |
| C/2021 S4 | 2023 11 07.96942 | 04 58 05.63 | +41 20 10.1 | 17.2 | G | I81 |
| C/2021 S4 | 2023 11 08.41306 | 04 57 57.48 | +41 20 59.2 | 17.4 | c | T05 |
| C/2021 S4 | 2023 11 08.41397 | 04 57 57.53 | +41 20 59.5 | 18.1 | c | T05 |
| C/2021 S4 | 2023 11 08.41487 | 04 57 57.50 | +41 20 59.6 | 17.5 | c | T05 |
| C/2021 S4 | 2023 11 08.41766 | 04 57 57.42 | +41 20 59.3 | 17.9 | c | T05 |
| C/2021 S4 | 2023 11 08.42420 | 04 57 57.26 | +41 21 01.0 | 17.8 | c | T05 |
| C/2021 S4 | 2023 11 08.43585 | 04 57 57.06 | +41 21 01.7 | 18.0 | c | T05 |
| C/2021 S4 | 2023 11 08.45317 | 04 57 56.70 | +41 21 03.8 | 17.4 | c | T05 |
| C/2021 S4 | 2023 11 10.46867 | 04 57 18.42 | +41 24 35.0 | 17.5 | c | T05 |
| C/2021 S4 | 2023 11 10.49184 | 04 57 18.16 | +41 24 38.5 | 18.0 | c | T05 |
| C/2021 S4 | 2023 11 10.49365 | 04 57 17.87 | +41 24 37.4 | 17.5 | c | T05 |
| C/2021 S4 | 2023 11 10.49639 | 04 57 17.86 | +41 24 36.9 | 18.0 | c | T05 |
| C/2021 S4 | 2023 11 12.41622 | 04 56 39.49 | +41 27 45.8 | 17.5 | c | T05 |
| C/2021 S4 | 2023 11 12.43379 | 04 56 39.08 | +41 27 47.3 | 17.5 | c | T05 |
| C/2021 S4 | 2023 11 12.43699 | 04 56 39.08 | +41 27 47.5 | 17.4 | c | T05 |
| C/2021 S4 | 2023 11 12.44244 | 04 56 38.94 | +41 27 48.6 | 18.1 | c | T05 |
| C/2021 S4 | 2023 11 18.48827 | 04 54 26.73 | +41 36 12.2 | 17.4 | c | T05 |