| Name | Date/time | RA | Dec | Magnitude | Filter | Site Code |
|---|---|---|---|---|---|---|
| C/2021 E3 | 2021 03 14.10640 | 20 48 07.42 | +31 05 17.4 | 20.0 | V | 033 |
| C/2021 E3 | 2021 03 14.10727 | 20 48 07.45 | +31 05 17.5 | 20.2 | V | 033 |
| C/2021 E3 | 2021 03 14.10813 | 20 48 07.48 | +31 05 17.6 | 20.1 | V | 033 |
| C/2021 E3 | 2021 03 14.10905 | 20 48 07.49 | +31 05 17.7 | 19.9 | V | 033 |
| C/2021 E3 | 2021 03 14.94698 | 20 48 32.32 | +31 07 41.5 | 19.9 | r | N51 |
| C/2021 E3 | 2021 03 14.95071 | 20 48 32.45 | +31 07 42.5 | 19.9 | r | N51 |
| C/2021 E3 | 2021 03 14.95435 | 20 48 32.59 | +31 07 43.6 | 19.8 | r | N51 |
| C/2021 E3 | 2021 03 14.95823 | 20 48 32.67 | +31 07 43.7 | 19.5 | r | N51 |
| C/2021 E3 | 2021 03 14.96161 | 20 48 32.80 | +31 07 43.9 | 19.9 | r | N51 |
| C/2021 E3 | 2021 03 14.96521 | 20 48 32.91 | +31 07 45.3 | 19.9 | r | N51 |
| C/2021 E3 | 2021 03 14.96881 | 20 48 32.99 | +31 07 45.9 | 20.0 | r | N51 |
| C/2021 E3 | 2021 03 14.97062 | 20 48 33.04 | +31 07 46.1 | 18.6 | r | N51 |
| C/2021 E3 | 2021 03 14.97242 | 20 48 33.11 | +31 07 46.3 | 19.9 | r | N51 |
| C/2021 E3 | 2021 03 14.97603 | 20 48 33.19 | +31 07 46.7 | 19.9 | r | N51 |
| C/2021 E3 | 2021 03 19.18992 | 20 50 33.65 | +31 20 41.2 | 19.1 | G | Z08 |
| C/2021 E3 | 2021 03 19.20157 | 20 50 33.99 | +31 20 42.9 | 19.4 | G | Z08 |
| C/2021 E3 | 2021 03 20.13617 | 20 50 59.69 | +31 23 47.0 | 204 | ||
| C/2021 E3 | 2021 03 20.15646 | 20 51 00.26 | +31 23 51.4 | 19.5 | G | 204 |
| C/2021 E3 | 2021 03 26.13523 | 20 53 35.34 | +31 44 50.4 | 19.3 | G | 204 |
| C/2021 E3 | 2021 03 26.15557 | 20 53 35.85 | +31 44 55.3 | 204 |