| Name | Date/time | RA | Dec | Magnitude | Filter | Site Code |
|---|---|---|---|---|---|---|
| C/2021 Y1 | 2022 02 26.09901 | 01 50 08.53 | +46 02 17.3 | 18.6 | G | 703 |
| C/2021 Y1 | 2022 02 26.10458 | 01 50 08.79 | +46 02 15.9 | 18.6 | G | 703 |
| C/2021 Y1 | 2022 02 26.11016 | 01 50 09.06 | +46 02 13.4 | 18.4 | G | 703 |
| C/2021 Y1 | 2022 02 26.11574 | 01 50 09.37 | +46 02 11.2 | 18.5 | G | 703 |
| C/2021 Y1 | 2022 02 27.45380 | 01 51 18.16 | +45 53 00.0 | 17.9 | T | Q11 |
| C/2021 Y1 | 2022 02 27.46059 | 01 51 18.53 | +45 52 57.2 | Q11 | ||
| C/2021 Y1 | 2022 02 27.46700 | 01 51 18.84 | +45 52 54.5 | Q11 | ||
| C/2021 Y1 | 2022 02 27.82019 | 01 51 37.34 | +45 50 31.4 | 19.3 | T | K77 |
| C/2021 Y1 | 2022 02 27.83078 | 01 51 37.76 | +45 50 27.6 | 19.1 | T | K77 |
| C/2021 Y1 | 2022 03 02.83001 | 01 54 15.91 | +45 30 38.7 | 18.7 | T | C23 |
| C/2021 Y1 | 2022 03 02.84011 | 01 54 16.48 | +45 30 35.0 | 18.3 | T | C23 |
| C/2021 Y1 | 2022 03 04.48488 | 01 55 44.99 | +45 20 07.4 | 18.2 | T | D95 |
| C/2021 Y1 | 2022 03 04.48914 | 01 55 45.21 | +45 20 05.6 | D95 | ||
| C/2021 Y1 | 2022 03 04.49768 | 01 55 45.80 | +45 20 01.6 | D95 | ||
| C/2021 Y1 | 2022 03 04.80632 | 01 56 02.57 | +45 18 06.2 | 18.5 | T | C23 |
| C/2021 Y1 | 2022 03 04.81353 | 01 56 03.00 | +45 18 03.2 | 17.6 | T | C23 |
| C/2021 Y1 | 2022 03 05.82637 | 01 56 58.57 | +45 11 46.2 | 18.2 | T | B96 |
| C/2021 Y1 | 2022 03 05.83292 | 01 56 58.76 | +45 11 42.7 | 18.7 | T | B96 |
| C/2021 Y1 | 2022 03 05.83947 | 01 56 59.09 | +45 11 41.4 | 18.5 | T | B96 |
| C/2021 Y1 | 2022 03 06.77760 | 01 57 50.86 | +45 05 58.4 | 17.8 | T | A77 |