| Name | Date/time | RA | Dec | Magnitude | Filter | Site Code |
|---|---|---|---|---|---|---|
| C/2021 Y1 | 2023 05 16.37429 | 05 14 23.67 | -27 07 51.8 | Q62 | ||
| C/2021 Y1 | 2023 05 16.37600 | 05 14 23.89 | -27 07 53.2 | 14.9 | G | Q62 |
| C/2021 Y1 | 2023 05 16.69847 | 05 15 06.08 | -27 11 42.7 | 15.1 | c | M22 |
| C/2021 Y1 | 2023 05 16.70166 | 05 15 06.60 | -27 11 46.9 | 15.5 | c | M22 |
| C/2021 Y1 | 2023 05 16.70714 | 05 15 07.30 | -27 11 50.8 | 15.6 | c | M22 |
| C/2021 Y1 | 2023 05 16.71736 | 05 15 08.65 | -27 11 57.7 | 15.5 | c | M22 |
| C/2021 Y1 | 2023 05 17.96171 | 05 17 53.22 | -27 27 00.5 | 16.7 | o | W68 |
| C/2021 Y1 | 2023 05 17.96552 | 05 17 53.73 | -27 27 02.6 | 15.0 | o | W68 |
| C/2021 Y1 | 2023 05 17.97119 | 05 17 54.47 | -27 27 07.1 | 15.1 | o | W68 |
| C/2021 Y1 | 2023 05 17.98231 | 05 17 55.93 | -27 27 15.1 | 15.2 | o | W68 |
| C/2021 Y1 | 2023 05 19.69739 | 05 21 46.19 | -27 48 19.5 | 17.3 | c | M22 |
| C/2021 Y1 | 2023 05 19.69875 | 05 21 46.39 | -27 48 18.7 | 15.6 | c | M22 |
| C/2021 Y1 | 2023 05 19.70059 | 05 21 46.64 | -27 48 21.1 | 16.0 | c | M22 |
| C/2021 Y1 | 2023 05 19.70198 | 05 21 46.82 | -27 48 21.9 | 15.8 | c | M22 |
| C/2021 Y1 | 2023 05 19.70611 | 05 21 47.42 | -27 48 25.3 | 17.0 | c | M22 |
| C/2021 Y1 | 2023 05 19.70752 | 05 21 47.56 | -27 48 25.3 | 15.4 | c | M22 |
| C/2021 Y1 | 2023 05 19.71775 | 05 21 48.94 | -27 48 33.5 | 17.0 | c | M22 |
| C/2021 Y1 | 2023 05 19.71865 | 05 21 49.07 | -27 48 33.3 | 15.5 | c | M22 |
| C/2021 Y1 | 2023 05 20.95747 | 05 24 37.95 | -28 04 01.2 | 15.3 | o | W68 |
| C/2021 Y1 | 2023 05 20.96469 | 05 24 38.87 | -28 04 06.0 | 15.2 | o | W68 |