| Name | Date/time | RA | Dec | Magnitude | Filter | Site Code |
|---|---|---|---|---|---|---|
| C/2021 S4 | 2021 10 03.73607 | 01 18 58.67 | +14 37 29.3 | 18.7 | R | D29 |
| C/2021 S4 | 2021 10 03.75021 | 01 18 59.67 | +14 37 27.5 | 20.7 | R | D29 |
| C/2021 S4 | 2021 10 03.85427 | 01 18 56.60 | +14 37 24.1 | 246 | ||
| C/2021 S4 | 2021 10 03.85911 | 01 18 56.43 | +14 37 29.9 | 246 | ||
| C/2021 S4 | 2021 10 04.21251 | 01 18 49.82 | +14 37 12.6 | H06 | ||
| C/2021 S4 | 2021 10 04.22035 | 01 18 49.68 | +14 37 12.4 | 20.5 | T | H06 |
| C/2021 S4 | 2021 10 04.76428 | 01 18 39.32 | +14 36 52.4 | 20.2 | R | D29 |
| C/2021 S4 | 2021 10 04.78549 | 01 18 38.93 | +14 36 51.6 | 20.2 | R | D29 |
| C/2021 S4 | 2021 10 06.61022 | 01 18 04.29 | +14 35 41.2 | 20.1 | R | E10 |
| C/2021 S4 | 2021 10 06.61156 | 01 18 04.29 | +14 35 41.0 | 19.9 | R | E10 |
| C/2021 S4 | 2021 10 06.61290 | 01 18 04.28 | +14 35 41.0 | 20.0 | R | E10 |
| C/2021 S4 | 2021 10 06.85285 | 01 17 59.90 | +14 35 30.2 | 19.8 | G | B49 |
| C/2021 S4 | 2021 10 06.85640 | 01 17 59.84 | +14 35 30.0 | 20.2 | G | B49 |
| C/2021 S4 | 2021 10 07.03688 | 01 17 56.18 | +14 35 22.2 | 20.2 | G | L06 |
| C/2021 S4 | 2021 10 07.04071 | 01 17 56.10 | +14 35 22.1 | 20.1 | G | L06 |
| C/2021 S4 | 2021 10 07.04652 | 01 17 56.01 | +14 35 22.0 | 20.1 | G | L06 |
| C/2021 S4 | 2021 10 07.05792 | 01 17 55.80 | +14 35 21.2 | 19.9 | G | L06 |
| C/2021 S4 | 2021 10 08.91899 | 01 17 20.06 | +14 34 02.4 | 20.1 | T | G00 |
| C/2021 S4 | 2021 10 08.93088 | 01 17 19.83 | +14 34 02.4 | 20.1 | T | G00 |
| C/2021 S4 | 2021 10 10.93525 | 01 16 41.07 | +14 32 31.3 | 19.9 | T | 215 |