| Name | Date/time | RA | Dec | Magnitude | Filter | Site Code |
|---|---|---|---|---|---|---|
| C/2021 Y1 | 2023 04 16.77474 | 04 18 46.93 | -22 07 55.6 | 15.0 | o | M22 |
| C/2021 Y1 | 2023 04 18.00267 | 04 20 45.10 | -22 18 24.6 | 15.3 | c | W68 |
| C/2021 Y1 | 2023 04 18.00647 | 04 20 45.47 | -22 18 26.2 | 15.3 | c | W68 |
| C/2021 Y1 | 2023 04 18.01175 | 04 20 45.96 | -22 18 29.1 | 15.4 | c | W68 |
| C/2021 Y1 | 2023 04 23.99651 | 04 30 46.19 | -23 11 42.5 | 15.5 | c | W68 |
| C/2021 Y1 | 2023 04 23.99986 | 04 30 46.57 | -23 11 45.1 | 15.5 | c | W68 |
| C/2021 Y1 | 2023 04 24.00555 | 04 30 47.13 | -23 11 47.5 | 15.5 | c | W68 |
| C/2021 Y1 | 2023 04 24.01550 | 04 30 48.17 | -23 11 52.8 | 15.5 | c | W68 |
| C/2021 Y1 | 2023 05 01.71624 | 04 44 40.99 | -24 26 15.9 | 15.1 | o | M22 |
| C/2021 Y1 | 2023 05 01.71941 | 04 44 41.35 | -24 26 17.9 | 15.1 | o | M22 |
| C/2021 Y1 | 2023 05 01.72489 | 04 44 41.96 | -24 26 21.1 | 15.0 | o | M22 |
| C/2021 Y1 | 2023 05 01.73558 | 04 44 43.17 | -24 26 28.1 | 16.4 | o | M22 |
| C/2021 Y1 | 2023 05 02.97863 | 04 47 04.11 | -24 39 07.4 | 14.9 | o | W68 |
| C/2021 Y1 | 2023 05 02.98159 | 04 47 04.44 | -24 39 09.4 | 15.1 | o | W68 |
| C/2021 Y1 | 2023 05 02.98733 | 04 47 05.10 | -24 39 12.8 | 15.1 | o | W68 |
| C/2021 Y1 | 2023 05 02.99765 | 04 47 06.27 | -24 39 19.0 | 15.4 | o | W68 |
| C/2021 Y1 | 2023 05 04.70961 | 04 50 23.49 | -24 57 05.4 | 15.1 | o | M22 |
| C/2021 Y1 | 2023 05 04.71372 | 04 50 23.93 | -24 57 07.5 | 15.0 | o | M22 |
| C/2021 Y1 | 2023 05 04.72551 | 04 50 25.28 | -24 57 14.7 | 15.0 | o | M22 |
| C/2021 Y1 | 2023 05 04.73064 | 04 50 25.94 | -24 57 18.1 | 15.0 | o | M22 |