| Name | Date/time | RA | Dec | Magnitude | Filter | Site Code |
|---|---|---|---|---|---|---|
| C/2021 Y1 | 2023 03 02.77255 | 03 26 00.25 | -16 39 19.2 | 15.1 | o | M22 |
| C/2021 Y1 | 2023 03 02.79050 | 03 26 01.03 | -16 39 27.0 | 15.0 | o | M22 |
| C/2021 Y1 | 2023 03 04.05821 | 03 26 57.54 | -16 48 39.7 | 15.1 | o | W68 |
| C/2021 Y1 | 2023 03 04.06142 | 03 26 57.68 | -16 48 41.0 | 15.0 | o | W68 |
| C/2021 Y1 | 2023 03 04.06783 | 03 26 57.96 | -16 48 44.1 | 15.1 | o | W68 |
| C/2021 Y1 | 2023 03 04.07926 | 03 26 58.50 | -16 48 49.0 | 15.1 | o | W68 |
| C/2021 Y1 | 2023 03 05.77448 | 03 28 17.39 | -17 01 04.4 | 15.8 | V | A77 |
| C/2021 Y1 | 2023 03 05.78015 | 03 28 17.74 | -17 01 06.6 | 15.5 | V | A77 |
| C/2021 Y1 | 2023 03 05.78582 | 03 28 17.98 | -17 01 09.7 | 15.8 | V | A77 |
| C/2021 Y1 | 2023 03 10.75047 | 03 32 29.77 | -17 36 00.3 | 14.9 | o | M22 |
| C/2021 Y1 | 2023 03 10.76042 | 03 32 30.32 | -17 36 04.0 | 14.7 | o | M22 |
| C/2021 Y1 | 2023 03 10.76903 | 03 32 30.74 | -17 36 08.0 | 14.9 | o | M22 |
| C/2021 Y1 | 2023 03 10.77221 | 03 32 30.90 | -17 36 09.3 | 14.9 | o | M22 |
| C/2021 Y1 | 2023 03 12.05536 | 03 33 40.94 | -17 45 03.8 | 14.8 | o | W68 |
| C/2021 Y1 | 2023 03 12.05948 | 03 33 41.16 | -17 45 05.5 | 14.9 | o | W68 |
| C/2021 Y1 | 2023 03 12.06582 | 03 33 41.50 | -17 45 08.2 | 14.9 | o | W68 |
| C/2021 Y1 | 2023 03 12.07737 | 03 33 42.17 | -17 45 13.1 | 14.9 | o | W68 |
| C/2021 Y1 | 2023 03 15.77594 | 03 37 15.21 | -18 10 46.1 | 14.5 | G | 160 |
| C/2021 Y1 | 2023 03 15.78228 | 03 37 15.67 | -18 10 53.3 | 15.3 | G | 160 |
| C/2021 Y1 | 2023 03 18.74168 | 03 40 17.93 | -18 31 05.6 | 15.3 | c | M22 |