| Name | Date/time | RA | Dec | Magnitude | Filter | Site Code |
|---|---|---|---|---|---|---|
| C/2021 Y1 | 2022 01 01.41802 | 01 21 59.83 | +55 02 11.7 | 17.6 | V | Q21 |
| C/2021 Y1 | 2022 01 01.76043 | 01 22 00.60 | +54 58 09.9 | 18.9 | R | K74 |
| C/2021 Y1 | 2022 01 01.76352 | 01 22 00.60 | +54 58 08.2 | 18.2 | R | K74 |
| C/2021 Y1 | 2022 01 01.76660 | 01 22 00.63 | +54 58 05.3 | 18.9 | R | K74 |
| C/2021 Y1 | 2022 01 01.76969 | 01 22 00.53 | +54 58 03.5 | 18.2 | R | K74 |
| C/2021 Y1 | 2022 01 01.77315 | 01 22 00.68 | +54 58 01.2 | 18.4 | R | K74 |
| C/2021 Y1 | 2022 01 01.84469 | 01 22 00.73 | +54 57 10.1 | 18.1 | R | 215 |
| C/2021 Y1 | 2022 01 01.84662 | 01 22 00.77 | +54 57 08.9 | 18.1 | R | 215 |
| C/2021 Y1 | 2022 01 01.84856 | 01 22 00.75 | +54 57 08.1 | 18.0 | R | 215 |
| C/2021 Y1 | 2022 01 02.40392 | 01 22 02.62 | +54 50 33.8 | 18.3 | V | Q21 |
| C/2021 Y1 | 2022 01 02.41442 | 01 22 02.69 | +54 50 26.0 | 19.8 | V | Q21 |
| C/2021 Y1 | 2022 01 02.80151 | 01 22 04.13 | +54 45 51.6 | J95 | ||
| C/2021 Y1 | 2022 01 02.80631 | 01 22 04.08 | +54 45 48.2 | 19.1 | G | J95 |
| C/2021 Y1 | 2022 01 02.80963 | 01 22 04.15 | +54 45 45.6 | 18.9 | G | J95 |
| C/2021 Y1 | 2022 01 02.81291 | 01 22 04.14 | +54 45 43.3 | 19.1 | G | J95 |
| C/2021 Y1 | 2022 01 02.87224 | 01 22 04.31 | +54 45 01.1 | 19.1 | V | Z99 |
| C/2021 Y1 | 2022 01 02.87650 | 01 22 04.34 | +54 44 57.9 | 19.0 | V | Z99 |
| C/2021 Y1 | 2022 01 02.88076 | 01 22 04.33 | +54 44 55.3 | 19.2 | V | Z99 |
| C/2021 Y1 | 2022 01 02.88500 | 01 22 04.40 | +54 44 51.9 | 19.5 | V | Z99 |
| C/2021 Y1 | 2022 01 03.37669 | 01 22 06.52 | +54 39 04.7 | 19.3 | V | Q21 |