| Name | Date/time | RA | Dec | Magnitude | Filter | Site Code |
|---|---|---|---|---|---|---|
| C/2021 Y1 | 2022 12 17.87222 | 03 51 28.98 | +03 00 52.7 | 15.1 | N | J59 |
| C/2021 Y1 | 2022 12 17.87477 | 03 51 28.61 | +03 00 48.3 | 15.2 | V | G23 |
| C/2021 Y1 | 2022 12 17.87582 | 03 51 28.55 | +03 00 46.6 | 16.1 | G | G17 |
| C/2021 Y1 | 2022 12 17.87604 | 03 51 28.52 | +03 00 45.8 | 16.2 | B | K32 |
| C/2021 Y1 | 2022 12 17.88288 | 03 51 27.91 | +03 00 34.6 | 16.3 | G | G17 |
| C/2021 Y1 | 2022 12 17.88711 | 03 51 27.57 | +03 00 27.8 | 15.3 | N | Z55 |
| C/2021 Y1 | 2022 12 17.88766 | 03 51 27.51 | +03 00 26.4 | 15.2 | N | Z55 |
| C/2021 Y1 | 2022 12 17.88820 | 03 51 27.45 | +03 00 25.6 | 15.3 | N | Z55 |
| C/2021 Y1 | 2022 12 17.88875 | 03 51 27.40 | +03 00 24.8 | 15.2 | N | Z55 |
| C/2021 Y1 | 2022 12 17.88929 | 03 51 27.35 | +03 00 23.9 | 15.2 | N | Z55 |
| C/2021 Y1 | 2022 12 17.88994 | 03 51 27.23 | +03 00 22.6 | 16.1 | G | G17 |
| C/2021 Y1 | 2022 12 17.89133 | 03 51 27.11 | +03 00 19.7 | 15.8 | N | M18 |
| C/2021 Y1 | 2022 12 17.90727 | 03 51 25.65 | +02 59 52.0 | 15.9 | N | M18 |
| C/2021 Y1 | 2022 12 18.12098 | 03 51 06.37 | +02 53 49.2 | 15.9 | c | W68 |
| C/2021 Y1 | 2022 12 18.12413 | 03 51 06.07 | +02 53 44.2 | 15.1 | c | W68 |
| C/2021 Y1 | 2022 12 18.13190 | 03 51 05.37 | +02 53 30.3 | 15.6 | c | W68 |
| C/2021 Y1 | 2022 12 18.14228 | 03 51 04.40 | +02 53 12.8 | 15.1 | c | W68 |
| C/2021 Y1 | 2022 12 18.82766 | 03 50 03.10 | +02 33 32.9 | 14.6 | G | 221 |
| C/2021 Y1 | 2022 12 18.83130 | 03 50 02.77 | +02 33 26.6 | 14.6 | G | 221 |
| C/2021 Y1 | 2022 12 18.83497 | 03 50 02.43 | +02 33 20.4 | 14.6 | G | 221 |