| Name | Date/time | RA | Dec | Magnitude | Filter | Site Code |
|---|---|---|---|---|---|---|
| C/2021 Y1 | 2022 12 27.82073 | 03 37 44.16 | -01 29 37.2 | 14.9 | V | G23 |
| C/2021 Y1 | 2022 12 27.82984 | 03 37 43.52 | -01 29 51.0 | 15.4 | G | K87 |
| C/2021 Y1 | 2022 12 27.83072 | 03 37 43.41 | -01 29 52.5 | 15.2 | V | G23 |
| C/2021 Y1 | 2022 12 27.83131 | 03 37 43.41 | -01 29 53.3 | 15.4 | G | K87 |
| C/2021 Y1 | 2022 12 27.83277 | 03 37 43.28 | -01 29 55.5 | 15.4 | G | K87 |
| C/2021 Y1 | 2022 12 27.84679 | 03 37 42.18 | -01 30 10.0 | 14.8 | o | M22 |
| C/2021 Y1 | 2022 12 27.85515 | 03 37 41.54 | -01 30 22.6 | 14.8 | o | M22 |
| C/2021 Y1 | 2022 12 27.85832 | 03 37 41.30 | -01 30 27.2 | 14.8 | o | M22 |
| C/2021 Y1 | 2022 12 27.86917 | 03 37 40.49 | -01 30 44.0 | 14.8 | o | M22 |
| C/2021 Y1 | 2022 12 28.04473 | 03 37 27.61 | -01 35 11.1 | 15.6 | G | X03 |
| C/2021 Y1 | 2022 12 28.04851 | 03 37 27.33 | -01 35 16.8 | 15.6 | G | X03 |
| C/2021 Y1 | 2022 12 28.05229 | 03 37 27.03 | -01 35 22.4 | 15.6 | G | X03 |
| C/2021 Y1 | 2022 12 28.65894 | 03 36 42.37 | -01 50 40.5 | 14.6 | G | G26 |
| C/2021 Y1 | 2022 12 28.71044 | 03 36 38.73 | -01 51 54.6 | 14.6 | G | G26 |
| C/2021 Y1 | 2022 12 28.76679 | 03 36 34.94 | -01 53 20.6 | 15.5 | N | B56 |
| C/2021 Y1 | 2022 12 28.76926 | 03 36 34.69 | -01 53 26.1 | 15.3 | N | B56 |
| C/2021 Y1 | 2022 12 28.77172 | 03 36 34.61 | -01 53 32.6 | 15.7 | N | B56 |
| C/2021 Y1 | 2022 12 28.77419 | 03 36 34.21 | -01 53 34.1 | 15.4 | N | B56 |
| C/2021 Y1 | 2022 12 29.92601 | 03 35 11.77 | -02 22 00.1 | 15.4 | R | Z57 |
| C/2021 Y1 | 2022 12 29.92764 | 03 35 11.64 | -02 22 02.9 | 15.4 | R | Z57 |