| Name | Date/time | RA | Dec | Magnitude | Filter | Site Code |
|---|---|---|---|---|---|---|
| C/2021 Y1 | 2023 03 18.74484 | 03 40 18.13 | -18 31 06.8 | 15.2 | c | M22 |
| C/2021 Y1 | 2023 03 18.75117 | 03 40 18.45 | -18 31 09.7 | 15.3 | c | M22 |
| C/2021 Y1 | 2023 03 18.76204 | 03 40 19.25 | -18 31 13.5 | 15.1 | c | M22 |
| C/2021 Y1 | 2023 03 20.01418 | 03 41 39.41 | -18 39 51.7 | X07 | ||
| C/2021 Y1 | 2023 03 20.01677 | 03 41 39.58 | -18 39 53.0 | 13.9 | G | X07 |
| C/2021 Y1 | 2023 03 20.04045 | 03 41 41.09 | -18 40 01.8 | 14.9 | o | W68 |
| C/2021 Y1 | 2023 03 20.04366 | 03 41 41.30 | -18 40 02.8 | 14.8 | o | W68 |
| C/2021 Y1 | 2023 03 20.05057 | 03 41 41.75 | -18 40 05.9 | 14.9 | o | W68 |
| C/2021 Y1 | 2023 03 20.06129 | 03 41 42.45 | -18 40 10.2 | 14.8 | o | W68 |
| C/2021 Y1 | 2023 03 26.76329 | 03 49 22.74 | -19 26 48.6 | 14.8 | o | M22 |
| C/2021 Y1 | 2023 03 26.76615 | 03 49 22.93 | -19 26 49.8 | 14.9 | o | M22 |
| C/2021 Y1 | 2023 03 26.77220 | 03 49 23.38 | -19 26 52.3 | 14.8 | o | M22 |
| C/2021 Y1 | 2023 03 26.78213 | 03 49 24.09 | -19 26 56.3 | 14.8 | o | M22 |
| C/2021 Y1 | 2023 03 27.98648 | 03 50 52.17 | -19 35 30.0 | 15.8 | o | W68 |
| C/2021 Y1 | 2023 03 27.98967 | 03 50 52.46 | -19 35 30.0 | 14.8 | o | W68 |
| C/2021 Y1 | 2023 03 27.99516 | 03 50 52.82 | -19 35 32.7 | 14.9 | o | W68 |
| C/2021 Y1 | 2023 03 28.00685 | 03 50 53.67 | -19 35 37.7 | 14.8 | o | W68 |
| C/2021 Y1 | 2023 04 04.76025 | 04 00 59.08 | -20 32 13.8 | 14.8 | o | M22 |
| C/2021 Y1 | 2023 04 04.76461 | 04 00 59.42 | -20 32 16.6 | 16.0 | o | M22 |
| C/2021 Y1 | 2023 04 04.77027 | 04 00 59.90 | -20 32 18.4 | 14.9 | o | M22 |