| Name | Date/time | RA | Dec | Magnitude | Filter | Site Code |
|---|---|---|---|---|---|---|
| C/2021 Y1 | 2022 07 24.48169 | 04 34 36.11 | +38 26 46.3 | 18.2 | r | I41 |
| C/2021 Y1 | 2022 07 24.48412 | 04 34 36.26 | +38 26 46.0 | 18.1 | r | I41 |
| C/2021 Y1 | 2022 07 28.09975 | 04 38 16.10 | +38 15 44.8 | 18.0 | V | A77 |
| C/2021 Y1 | 2022 07 28.10300 | 04 38 16.27 | +38 15 44.1 | 17.9 | V | A77 |
| C/2021 Y1 | 2022 07 28.10543 | 04 38 16.56 | +38 15 44.1 | 16.8 | V | A77 |
| C/2021 Y1 | 2022 07 28.14215 | 04 38 18.63 | +38 15 36.5 | 17.9 | G | Z10 |
| C/2021 Y1 | 2022 07 28.14765 | 04 38 18.96 | +38 15 36.0 | 17.9 | G | Z10 |
| C/2021 Y1 | 2022 07 28.15471 | 04 38 19.37 | +38 15 34.1 | 17.8 | G | Z10 |
| C/2021 Y1 | 2022 07 28.47677 | 04 38 38.67 | +38 14 33.2 | 18.1 | r | I41 |
| C/2021 Y1 | 2022 07 28.48183 | 04 38 38.97 | +38 14 32.2 | 18.0 | r | I41 |
| C/2021 Y1 | 2022 07 28.48435 | 04 38 39.13 | +38 14 31.8 | 18.1 | r | I41 |
| C/2021 Y1 | 2022 07 28.48688 | 04 38 39.29 | +38 14 31.3 | 18.0 | r | I41 |
| C/2021 Y1 | 2022 08 04.05858 | 04 45 02.36 | +37 52 39.9 | 17.3 | G | G00 |
| C/2021 Y1 | 2022 08 04.06099 | 04 45 02.54 | +37 52 39.3 | 17.6 | G | G00 |
| C/2021 Y1 | 2022 08 04.06340 | 04 45 02.67 | +37 52 38.9 | 17.6 | G | G00 |
| C/2021 Y1 | 2022 08 04.10211 | 04 45 04.79 | +37 52 31.8 | 17.2 | R | L27 |
| C/2021 Y1 | 2022 08 04.11322 | 04 45 05.42 | +37 52 29.2 | 17.3 | R | L27 |
| C/2021 Y1 | 2022 08 04.12485 | 04 45 06.21 | +37 52 26.7 | 17.9 | G | Z10 |
| C/2021 Y1 | 2022 08 04.13113 | 04 45 06.55 | +37 52 25.4 | 17.8 | G | Z10 |
| C/2021 Y1 | 2022 08 04.13819 | 04 45 06.95 | +37 52 24.0 | 17.9 | G | Z10 |