| Name | Date/time | RA | Dec | Magnitude | Filter | Site Code |
|---|---|---|---|---|---|---|
| C/2021 Y1 | 2022 12 29.92928 | 03 35 11.52 | -02 22 05.7 | 15.5 | R | Z57 |
| C/2021 Y1 | 2022 12 29.93091 | 03 35 11.40 | -02 22 07.7 | 15.6 | R | Z57 |
| C/2021 Y1 | 2022 12 29.93159 | 03 35 11.40 | -02 22 10.4 | 15.2 | G | I81 |
| C/2021 Y1 | 2022 12 29.93256 | 03 35 11.29 | -02 22 10.0 | 15.5 | R | Z57 |
| C/2021 Y1 | 2022 12 29.93420 | 03 35 11.15 | -02 22 12.9 | 15.4 | R | Z57 |
| C/2021 Y1 | 2022 12 29.93519 | 03 35 11.13 | -02 22 15.4 | 15.2 | G | I81 |
| C/2021 Y1 | 2022 12 29.93877 | 03 35 10.87 | -02 22 20.8 | 15.2 | G | I81 |
| C/2021 Y1 | 2022 12 29.99845 | 03 35 06.57 | -02 23 47.3 | 15.4 | r | M09 |
| C/2021 Y1 | 2022 12 30.00589 | 03 35 06.12 | -02 23 58.0 | 15.4 | r | M09 |
| C/2021 Y1 | 2022 12 30.01332 | 03 35 05.52 | -02 24 09.3 | 15.4 | r | M09 |
| C/2021 Y1 | 2022 12 30.08610 | 03 35 00.56 | -02 25 48.9 | 14.8 | o | W68 |
| C/2021 Y1 | 2022 12 30.08926 | 03 35 00.33 | -02 25 53.6 | 14.9 | o | W68 |
| C/2021 Y1 | 2022 12 30.09647 | 03 34 59.82 | -02 26 04.2 | 14.9 | o | W68 |
| C/2021 Y1 | 2022 12 30.10729 | 03 34 59.05 | -02 26 19.8 | 14.8 | o | W68 |
| C/2021 Y1 | 2022 12 30.51082 | 03 34 30.98 | -02 36 08.0 | 15.2 | G | Q38 |
| C/2021 Y1 | 2022 12 30.51435 | 03 34 30.72 | -02 36 13.4 | 15.0 | G | Q38 |
| C/2021 Y1 | 2022 12 30.51788 | 03 34 30.44 | -02 36 18.3 | 15.2 | G | Q38 |
| C/2021 Y1 | 2022 12 31.83916 | 03 33 00.84 | -03 07 54.2 | 14.9 | o | M22 |
| C/2021 Y1 | 2022 12 31.84231 | 03 33 00.62 | -03 07 58.6 | 14.7 | o | M22 |
| C/2021 Y1 | 2022 12 31.87785 | 03 32 58.20 | -03 08 49.6 | 15.7 | o | M22 |