| Name | Date/time | RA | Dec | Magnitude | Filter | Site Code |
|---|---|---|---|---|---|---|
| C/2021 Y1 | 2022 12 25.28743 | 03 40 58.29 | -00 24 08.8 | 14.7 | G | 703 |
| C/2021 Y1 | 2022 12 25.29278 | 03 40 57.87 | -00 24 17.0 | 14.7 | G | 703 |
| C/2021 Y1 | 2022 12 25.29812 | 03 40 57.44 | -00 24 25.8 | 14.7 | G | 703 |
| C/2021 Y1 | 2022 12 25.77098 | 03 40 20.58 | -00 36 52.0 | 16.0 | R | 215 |
| C/2021 Y1 | 2022 12 25.77227 | 03 40 20.48 | -00 36 54.1 | 16.1 | R | 215 |
| C/2021 Y1 | 2022 12 25.77357 | 03 40 20.36 | -00 36 55.9 | 16.1 | R | 215 |
| C/2021 Y1 | 2022 12 26.09904 | 03 39 54.91 | -00 45 17.9 | 15.0 | c | W68 |
| C/2021 Y1 | 2022 12 26.10220 | 03 39 54.65 | -00 45 23.0 | 15.1 | c | W68 |
| C/2021 Y1 | 2022 12 26.11123 | 03 39 53.93 | -00 45 37.0 | 15.2 | c | W68 |
| C/2021 Y1 | 2022 12 26.12387 | 03 39 52.94 | -00 45 56.9 | 15.1 | c | W68 |
| C/2021 Y1 | 2022 12 26.39654 | 03 39 32.09 | -00 53 07.5 | 14.5 | T | D95 |
| C/2021 Y1 | 2022 12 26.40017 | 03 39 31.80 | -00 53 13.1 | D95 | ||
| C/2021 Y1 | 2022 12 26.40236 | 03 39 31.65 | -00 53 16.2 | D95 | ||
| C/2021 Y1 | 2022 12 26.74297 | 03 39 05.51 | -01 02 05.4 | 15.2 | R | A77 |
| C/2021 Y1 | 2022 12 26.74866 | 03 39 05.06 | -01 02 14.4 | 15.2 | R | A77 |
| C/2021 Y1 | 2022 12 26.75433 | 03 39 04.63 | -01 02 22.8 | 15.2 | R | A77 |
| C/2021 Y1 | 2022 12 26.78620 | 03 39 02.25 | -01 03 11.7 | 15.4 | N | Z55 |
| C/2021 Y1 | 2022 12 26.78675 | 03 39 02.21 | -01 03 12.4 | 15.4 | N | Z55 |
| C/2021 Y1 | 2022 12 26.78730 | 03 39 02.15 | -01 03 13.4 | 15.4 | N | Z55 |
| C/2021 Y1 | 2022 12 26.79308 | 03 39 01.60 | -01 03 23.6 | 15.7 | G | B96 |