| Name | Date/time | RA | Dec | Magnitude | Filter | Site Code |
|---|---|---|---|---|---|---|
| C/2021 Y1 | 2023 02 20.76503 | 03 19 50.95 | -15 22 18.0 | 16.1 | R | 215 |
| C/2021 Y1 | 2023 02 22.82482 | 03 20 55.35 | -15 38 51.5 | 15.0 | o | M22 |
| C/2021 Y1 | 2023 02 22.82800 | 03 20 55.45 | -15 38 52.9 | 15.0 | o | M22 |
| C/2021 Y1 | 2023 02 22.83817 | 03 20 55.80 | -15 38 57.7 | 15.0 | o | M22 |
| C/2021 Y1 | 2023 02 22.84369 | 03 20 55.97 | -15 39 00.4 | 15.1 | o | M22 |
| C/2021 Y1 | 2023 02 25.81419 | 03 22 39.90 | -16 02 18.9 | 15.6 | G | C23 |
| C/2021 Y1 | 2023 02 25.81718 | 03 22 39.97 | -16 02 20.2 | 15.7 | G | C23 |
| C/2021 Y1 | 2023 02 25.82017 | 03 22 40.04 | -16 02 22.0 | 15.9 | G | C23 |
| C/2021 Y1 | 2023 02 26.42568 | 03 23 02.75 | -16 06 55.1 | 15.4 | G | Q62 |
| C/2021 Y1 | 2023 02 26.43933 | 03 23 03.25 | -16 07 01.3 | 15.4 | G | Q62 |
| C/2021 Y1 | 2023 02 26.45336 | 03 23 03.77 | -16 07 07.7 | 15.4 | G | Q62 |
| C/2021 Y1 | 2023 02 26.46417 | 03 23 04.17 | -16 07 12.7 | 15.4 | G | Q62 |
| C/2021 Y1 | 2023 02 27.46672 | 03 23 42.98 | -16 14 52.3 | 367 | ||
| C/2021 Y1 | 2023 02 27.46875 | 03 23 43.07 | -16 14 53.4 | 367 | ||
| C/2021 Y1 | 2023 02 27.47078 | 03 23 43.15 | -16 14 54.3 | 13.7 | T | 367 |
| C/2021 Y1 | 2023 03 01.79199 | 03 25 18.10 | -16 32 12.5 | 15.3 | G | C23 |
| C/2021 Y1 | 2023 03 01.79499 | 03 25 18.18 | -16 32 13.7 | 15.6 | G | C23 |
| C/2021 Y1 | 2023 03 01.79798 | 03 25 18.32 | -16 32 15.6 | 15.5 | G | C23 |
| C/2021 Y1 | 2023 03 02.76172 | 03 25 59.79 | -16 39 14.4 | 14.9 | o | M22 |
| C/2021 Y1 | 2023 03 02.76939 | 03 26 00.13 | -16 39 17.9 | 15.0 | o | M22 |