| Name | Date/time | RA | Dec | Magnitude | Filter | Site Code |
|---|---|---|---|---|---|---|
| C/2021 Y1 | 2022 12 18.83871 | 03 50 02.10 | +02 33 14.0 | 14.6 | G | 221 |
| C/2021 Y1 | 2022 12 18.84183 | 03 50 01.81 | +02 33 08.8 | 14.6 | G | 221 |
| C/2021 Y1 | 2022 12 18.85411 | 03 50 00.70 | +02 32 42.3 | 15.8 | G | K83 |
| C/2021 Y1 | 2022 12 18.86458 | 03 49 59.72 | +02 32 23.6 | 15.8 | G | K83 |
| C/2021 Y1 | 2022 12 18.87580 | 03 49 58.72 | +02 32 05.1 | 15.9 | G | K83 |
| C/2021 Y1 | 2022 12 18.93388 | 03 49 53.58 | +02 30 26.3 | 15.3 | N | Z39 |
| C/2021 Y1 | 2022 12 18.94670 | 03 49 52.42 | +02 30 04.7 | 15.3 | N | Z39 |
| C/2021 Y1 | 2022 12 18.96566 | 03 49 50.67 | +02 29 31.8 | 15.4 | N | Z39 |
| C/2021 Y1 | 2022 12 18.98718 | 03 49 48.65 | +02 28 55.1 | 14.8 | G | L63 |
| C/2021 Y1 | 2022 12 18.99493 | 03 49 47.97 | +02 28 41.7 | 14.6 | G | L63 |
| C/2021 Y1 | 2022 12 19.00270 | 03 49 47.26 | +02 28 28.4 | 14.6 | G | L63 |
| C/2021 Y1 | 2022 12 19.19321 | 03 49 30.59 | +02 23 02.3 | 15.4 | G | U68 |
| C/2021 Y1 | 2022 12 19.19713 | 03 49 30.26 | +02 22 56.0 | 15.4 | G | U68 |
| C/2021 Y1 | 2022 12 19.21402 | 03 49 28.69 | +02 22 26.7 | 15.2 | G | U68 |
| C/2021 Y1 | 2022 12 19.21797 | 03 49 28.38 | +02 22 20.6 | 15.2 | G | U68 |
| C/2021 Y1 | 2022 12 19.32099 | 03 49 19.02 | +02 19 25.2 | 14.9 | G | G96 |
| C/2021 Y1 | 2022 12 19.32608 | 03 49 18.56 | +02 19 16.5 | 14.9 | G | G96 |
| C/2021 Y1 | 2022 12 19.33117 | 03 49 18.09 | +02 19 07.9 | 14.9 | G | G96 |
| C/2021 Y1 | 2022 12 19.33624 | 03 49 17.64 | +02 18 59.3 | 14.9 | G | G96 |
| C/2021 Y1 | 2022 12 19.40388 | 03 49 12.05 | +02 17 04.4 | D95 |