| Name | Date/time | RA | Dec | Magnitude | Filter | Site Code |
|---|---|---|---|---|---|---|
| C/2021 S4 | 2021 09 08.43761 | 01 25 44.17 | +14 42 26.2 | 21.0 | G | F52 |
| C/2021 S4 | 2021 09 08.44794 | 01 25 44.05 | +14 42 26.2 | 20.8 | G | F52 |
| C/2021 S4 | 2021 09 08.45827 | 01 25 43.91 | +14 42 26.5 | 20.9 | G | F52 |
| C/2021 S4 | 2021 09 08.46861 | 01 25 43.78 | +14 42 26.6 | 20.9 | G | F52 |
| C/2021 S4 | 2021 09 11.44509 | 01 25 05.23 | +14 43 02.2 | 20.7 | G | F52 |
| C/2021 S4 | 2021 09 11.45790 | 01 25 05.05 | +14 43 02.4 | 20.6 | G | F52 |
| C/2021 S4 | 2021 09 16.34775 | 01 23 55.52 | +14 43 16.9 | 21.4 | G | G96 |
| C/2021 S4 | 2021 09 16.35294 | 01 23 55.43 | +14 43 16.9 | 21.4 | G | G96 |
| C/2021 S4 | 2021 09 16.35812 | 01 23 55.34 | +14 43 17.3 | 20.9 | G | G96 |
| C/2021 S4 | 2021 09 16.36329 | 01 23 55.27 | +14 43 16.8 | 20.6 | G | G96 |
| C/2021 S4 | 2021 09 28.54387 | 01 20 33.88 | +14 40 14.3 | 20.6 | G | F51 |
| C/2021 S4 | 2021 09 28.54469 | 01 20 33.87 | +14 40 14.3 | 20.6 | G | F51 |
| C/2021 S4 | 2021 09 29.77171 | 01 20 11.78 | +14 39 39.3 | 20.5 | R | D29 |
| C/2021 S4 | 2021 09 29.78586 | 01 20 11.53 | +14 39 39.1 | 19.7 | R | D29 |
| C/2021 S4 | 2021 09 29.80000 | 01 20 11.26 | +14 39 38.4 | 20.4 | R | D29 |
| C/2021 S4 | 2021 09 30.35205 | 01 20 01.31 | +14 39 22.6 | 20.6 | G | F51 |
| C/2021 S4 | 2021 09 30.36687 | 01 20 01.03 | +14 39 22.0 | 20.6 | G | F51 |
| C/2021 S4 | 2021 09 30.38165 | 01 20 00.75 | +14 39 21.6 | 20.4 | G | F51 |
| C/2021 S4 | 2021 10 02.93861 | 01 19 13.66 | +14 37 59.9 | 18.8 | R | 157 |
| C/2021 S4 | 2021 10 02.96033 | 01 19 13.21 | +14 37 57.8 | 19.4 | R | 157 |