| Name | Date/time | RA | Dec | Magnitude | Filter | Site Code |
|---|---|---|---|---|---|---|
| C/2021 Y1 | 2023 05 05.95977 | 04 52 49.67 | -25 10 17.6 | 16.4 | o | W68 |
| C/2021 Y1 | 2023 05 05.96295 | 04 52 50.08 | -25 10 19.6 | 16.4 | o | W68 |
| C/2021 Y1 | 2023 05 05.96936 | 04 52 50.78 | -25 10 23.4 | 16.4 | o | W68 |
| C/2021 Y1 | 2023 05 05.98485 | 04 52 52.61 | -25 10 32.5 | 15.0 | o | W68 |
| C/2021 Y1 | 2023 05 07.71799 | 04 56 18.56 | -25 29 09.4 | 15.0 | o | M22 |
| C/2021 Y1 | 2023 05 07.72849 | 04 56 19.79 | -25 29 16.1 | 14.8 | o | M22 |
| C/2021 Y1 | 2023 05 07.73227 | 04 56 20.24 | -25 29 18.3 | 15.0 | o | M22 |
| C/2021 Y1 | 2023 05 07.73745 | 04 56 20.86 | -25 29 22.2 | 14.9 | o | M22 |
| C/2021 Y1 | 2023 05 08.97331 | 04 58 50.00 | -25 42 53.4 | 15.1 | o | W68 |
| C/2021 Y1 | 2023 05 08.97663 | 04 58 50.40 | -25 42 55.3 | 15.0 | o | W68 |
| C/2021 Y1 | 2023 05 08.98338 | 04 58 51.22 | -25 43 00.3 | 15.1 | o | W68 |
| C/2021 Y1 | 2023 05 08.99507 | 04 58 52.64 | -25 43 07.8 | 15.3 | o | W68 |
| C/2021 Y1 | 2023 05 10.70289 | 05 02 21.93 | -26 02 07.6 | 16.9 | c | M22 |
| C/2021 Y1 | 2023 05 10.70656 | 05 02 22.37 | -26 02 10.2 | 16.9 | c | M22 |
| C/2021 Y1 | 2023 05 10.71306 | 05 02 23.16 | -26 02 14.5 | 16.8 | c | M22 |
| C/2021 Y1 | 2023 05 10.72324 | 05 02 24.42 | -26 02 20.9 | 15.5 | c | M22 |
| C/2021 Y1 | 2023 05 11.95701 | 05 04 57.90 | -26 16 19.1 | 16.3 | o | W68 |
| C/2021 Y1 | 2023 05 11.96018 | 05 04 58.33 | -26 16 21.5 | 16.0 | o | W68 |
| C/2021 Y1 | 2023 05 11.97041 | 05 04 59.63 | -26 16 28.4 | 16.6 | o | W68 |
| C/2021 Y1 | 2023 05 11.98038 | 05 05 00.87 | -26 16 34.5 | 15.2 | o | W68 |