| Name | Date/time | RA | Dec | Magnitude | Filter | Site Code |
|---|---|---|---|---|---|---|
| C/2021 Y1 | 2022 12 22.83058 | 03 44 17.78 | +00 41 38.8 | 15.4 | N | J31 |
| C/2021 Y1 | 2022 12 22.83522 | 03 44 17.40 | +00 41 32.1 | 15.4 | N | J31 |
| C/2021 Y1 | 2022 12 23.48343 | 03 43 23.80 | +00 23 58.6 | 13.8 | T | 349 |
| C/2021 Y1 | 2022 12 23.48788 | 03 43 23.42 | +00 23 51.4 | 349 | ||
| C/2021 Y1 | 2022 12 23.52204 | 03 43 20.68 | +00 22 58.4 | 14.2 | R | D29 |
| C/2021 Y1 | 2022 12 23.53618 | 03 43 19.51 | +00 22 36.0 | 14.2 | R | D29 |
| C/2021 Y1 | 2022 12 23.55032 | 03 43 18.32 | +00 22 12.9 | 14.1 | R | D29 |
| C/2021 Y1 | 2022 12 23.56069 | 03 43 17.33 | +00 21 53.0 | 13.9 | T | Q23 |
| C/2021 Y1 | 2022 12 23.56792 | 03 43 16.72 | +00 21 41.2 | Q23 | ||
| C/2021 Y1 | 2022 12 23.57677 | 03 43 15.98 | +00 21 26.7 | Q23 | ||
| C/2021 Y1 | 2022 12 24.75444 | 03 41 41.09 | -00 10 06.0 | 15.5 | N | B56 |
| C/2021 Y1 | 2022 12 24.75937 | 03 41 40.53 | -00 10 12.9 | 15.4 | N | B56 |
| C/2021 Y1 | 2022 12 24.76347 | 03 41 40.23 | -00 10 18.6 | 15.3 | N | B56 |
| C/2021 Y1 | 2022 12 24.76676 | 03 41 40.00 | -00 10 25.6 | 15.4 | N | B56 |
| C/2021 Y1 | 2022 12 24.76922 | 03 41 39.79 | -00 10 28.4 | 15.3 | N | B56 |
| C/2021 Y1 | 2022 12 24.77169 | 03 41 39.58 | -00 10 31.5 | 15.3 | N | B56 |
| C/2021 Y1 | 2022 12 24.89189 | 03 41 29.78 | -00 13 44.9 | 15.3 | G | J47 |
| C/2021 Y1 | 2022 12 24.89990 | 03 41 29.13 | -00 13 57.7 | 15.2 | G | J47 |
| C/2021 Y1 | 2022 12 24.90792 | 03 41 28.47 | -00 14 10.5 | 15.3 | G | J47 |
| C/2021 Y1 | 2022 12 25.28208 | 03 40 58.72 | -00 24 00.5 | 14.7 | G | 703 |