| Name | Date/time | RA | Dec | Magnitude | Filter | Site Code |
|---|---|---|---|---|---|---|
| C/2021 A1 | 2021 04 18.51856 | 12 03 11.26 | +61 49 50.6 | D88 | ||
| C/2021 A1 | 2021 04 18.52203 | 12 03 10.83 | +61 49 50.0 | 17.2 | T | D88 |
| C/2021 A1 | 2021 04 18.63464 | 12 02 52.80 | +61 49 53.5 | P87 | ||
| C/2021 A1 | 2021 04 18.64028 | 12 02 51.91 | +61 49 53.3 | 17.8 | T | P87 |
| C/2021 A1 | 2021 04 18.87699 | 12 02 14.45 | +61 49 59.0 | 17.8 | T | G06 |
| C/2021 A1 | 2021 04 18.89582 | 12 02 11.42 | +61 49 59.9 | 17.7 | T | B96 |
| C/2021 A1 | 2021 04 18.90507 | 12 02 09.94 | +61 49 59.8 | 18.0 | T | G06 |
| C/2021 A1 | 2021 04 18.90563 | 12 02 09.77 | +61 50 00.3 | 18.1 | T | B96 |
| C/2021 A1 | 2021 04 18.91379 | 12 02 08.51 | +61 49 59.5 | 18.0 | T | B96 |
| C/2021 A1 | 2021 04 18.92299 | 12 02 07.01 | +61 50 01.1 | 17.9 | T | B96 |
| C/2021 A1 | 2021 04 18.94365 | 12 02 03.73 | +61 50 00.9 | 18.5 | T | G09 |
| C/2021 A1 | 2021 04 18.98671 | 12 01 56.86 | +61 50 01.8 | 18.1 | T | G09 |
| C/2021 A1 | 2021 04 19.55862 | 12 00 26.53 | +61 50 08.2 | 16.7 | T | Q11 |
| C/2021 A1 | 2021 04 19.56794 | 12 00 25.07 | +61 50 08.2 | Q11 | ||
| C/2021 A1 | 2021 04 19.57582 | 12 00 23.77 | +61 50 08.2 | Q11 | ||
| C/2021 A1 | 2021 04 19.90944 | 11 59 31.19 | +61 50 07.5 | 17.8 | T | M09 |
| C/2021 A1 | 2021 04 19.94818 | 11 59 24.94 | +61 50 06.0 | 18.0 | T | M09 |
| C/2021 A1 | 2021 04 19.98638 | 11 59 18.80 | +61 50 05.3 | 17.6 | T | M09 |
| C/2021 A1 | 2021 04 20.04807 | 11 59 09.19 | +61 50 06.1 | 17.8 | T | C10 |
| C/2021 A1 | 2021 04 20.06016 | 11 59 07.28 | +61 50 06.0 | 17.9 | T | C10 |