| Name | Date/time | RA | Dec | Magnitude | Filter | Site Code |
|---|---|---|---|---|---|---|
| C/2021 S1 | 2021 10 03.13108 | 06 56 56.60 | +57 44 09.5 | 19.0 | N | 157 |
| C/2021 S1 | 2021 10 03.25354 | 06 56 59.94 | +57 44 16.7 | 19.3 | T | I22 |
| C/2021 S1 | 2021 10 03.26083 | 06 57 00.07 | +57 44 17.1 | 18.9 | T | I22 |
| C/2021 S1 | 2021 10 03.26812 | 06 57 00.31 | +57 44 17.6 | 18.8 | T | I22 |
| C/2021 S1 | 2021 10 03.29386 | 06 57 00.95 | +57 44 19.8 | 18.6 | G | 851 |
| C/2021 S1 | 2021 10 04.36434 | 06 57 28.59 | +57 45 25.4 | 18.8 | T | 734 |
| C/2021 S1 | 2021 10 04.37474 | 06 57 28.90 | +57 45 26.0 | 18.7 | T | 734 |
| C/2021 S1 | 2021 10 04.70591 | 06 57 37.27 | +57 45 47.3 | 18.5 | T | 349 |
| C/2021 S1 | 2021 10 04.72233 | 06 57 37.61 | +57 45 48.7 | 349 | ||
| C/2021 S1 | 2021 10 05.09752 | 06 57 46.85 | +57 46 10.8 | 18.6 | T | Z10 |
| C/2021 S1 | 2021 10 05.10381 | 06 57 47.06 | +57 46 11.3 | 18.8 | T | Z10 |
| C/2021 S1 | 2021 10 05.11165 | 06 57 47.18 | +57 46 11.9 | 19.1 | T | Z10 |
| C/2021 S1 | 2021 10 05.59341 | 06 57 58.80 | +57 46 43.4 | 18.9 | o | T05 |
| C/2021 S1 | 2021 10 05.59707 | 06 57 58.94 | +57 46 43.1 | 18.6 | o | T05 |
| C/2021 S1 | 2021 10 05.60466 | 06 57 59.14 | +57 46 44.3 | 18.7 | o | T05 |
| C/2021 S1 | 2021 10 05.63189 | 06 57 59.71 | +57 46 45.6 | 18.9 | o | T05 |
| C/2021 S1 | 2021 10 07.57955 | 06 58 44.10 | +57 48 50.9 | 18.0 | o | T08 |
| C/2021 S1 | 2021 10 07.58286 | 06 58 44.21 | +57 48 51.4 | 18.5 | o | T08 |
| C/2021 S1 | 2021 10 07.58886 | 06 58 44.39 | +57 48 51.8 | 18.5 | o | T08 |
| C/2021 S1 | 2021 10 07.60367 | 06 58 44.70 | +57 48 52.9 | 18.7 | o | T08 |