| Name | Date/time | RA | Dec | Magnitude | Filter | Site Code |
|---|---|---|---|---|---|---|
| C/2021 Y1 | 2022 12 19.40606 | 03 49 11.86 | +02 17 00.3 | D95 | ||
| C/2021 Y1 | 2022 12 19.40824 | 03 49 11.64 | +02 16 56.3 | 14.6 | T | D95 |
| C/2021 Y1 | 2022 12 19.92854 | 03 48 25.56 | +02 02 11.8 | 15.3 | V | L85 |
| C/2021 Y1 | 2022 12 19.97449 | 03 48 21.44 | +02 00 53.7 | 15.3 | V | L85 |
| C/2021 Y1 | 2022 12 20.87125 | 03 47 03.86 | +01 35 45.1 | 15.7 | V | 950 |
| C/2021 Y1 | 2022 12 20.88468 | 03 47 02.68 | +01 35 22.6 | 15.6 | V | 950 |
| C/2021 Y1 | 2022 12 20.89665 | 03 47 01.62 | +01 35 02.5 | 15.7 | V | 950 |
| C/2021 Y1 | 2022 12 21.23056 | 03 46 32.83 | +01 25 43.5 | 15.8 | V | U76 |
| C/2021 Y1 | 2022 12 21.23825 | 03 46 32.16 | +01 25 30.8 | 15.9 | V | U76 |
| C/2021 Y1 | 2022 12 21.24598 | 03 46 31.48 | +01 25 17.9 | 16.1 | V | U76 |
| C/2021 Y1 | 2022 12 21.58089 | 03 46 02.85 | +01 16 02.2 | 14.3 | R | D29 |
| C/2021 Y1 | 2022 12 21.59503 | 03 46 01.62 | +01 15 39.5 | 14.2 | R | D29 |
| C/2021 Y1 | 2022 12 21.60917 | 03 46 00.39 | +01 15 15.6 | 14.3 | R | D29 |
| C/2021 Y1 | 2022 12 21.66753 | 03 45 55.42 | +01 13 37.0 | 14.4 | G | G26 |
| C/2021 Y1 | 2022 12 21.68934 | 03 45 53.58 | +01 13 04.4 | 14.5 | G | G26 |
| C/2021 Y1 | 2022 12 22.11727 | 03 45 17.40 | +01 01 18.4 | 15.2 | c | W68 |
| C/2021 Y1 | 2022 12 22.12043 | 03 45 17.13 | +01 01 13.2 | 15.2 | c | W68 |
| C/2021 Y1 | 2022 12 22.12585 | 03 45 16.67 | +01 01 04.3 | 15.2 | c | W68 |
| C/2021 Y1 | 2022 12 22.13651 | 03 45 15.75 | +01 00 46.6 | 15.2 | c | W68 |
| C/2021 Y1 | 2022 12 22.82591 | 03 44 18.18 | +00 41 47.2 | 15.3 | N | J31 |