| Name | Date/time | RA | Dec | Magnitude | Filter | Site Code |
|---|---|---|---|---|---|---|
| C/2021 E3 | 2021 04 17.07595 | 21 00 17.14 | +33 20 53.5 | 19.7 | G | B96 |
| C/2021 E3 | 2021 04 17.09655 | 21 00 17.34 | +33 20 58.6 | 18.8 | R | 215 |
| C/2021 E3 | 2021 04 17.09913 | 21 00 17.36 | +33 20 59.6 | 18.8 | R | 215 |
| C/2021 E3 | 2021 04 17.10044 | 21 00 17.44 | +33 21 00.7 | 19.6 | G | B96 |
| C/2021 E3 | 2021 04 17.10171 | 21 00 17.43 | +33 20 59.8 | 18.6 | R | 215 |
| C/2021 E3 | 2021 04 18.95798 | 21 00 36.82 | +33 30 13.8 | 19.2 | r | N51 |
| C/2021 E3 | 2021 04 18.96155 | 21 00 36.86 | +33 30 15.3 | 19.3 | r | N51 |
| C/2021 E3 | 2021 04 18.96513 | 21 00 36.88 | +33 30 16.3 | 19.3 | r | N51 |
| C/2021 E3 | 2021 04 18.96870 | 21 00 36.90 | +33 30 17.3 | 19.2 | r | N51 |
| C/2021 E3 | 2021 04 20.42632 | 21 00 50.27 | +33 37 37.0 | 18.7 | V | 858 |
| C/2021 E3 | 2021 04 20.44119 | 21 00 50.36 | +33 37 41.9 | 18.4 | V | 858 |
| C/2021 E3 | 2021 04 20.45605 | 21 00 50.52 | +33 37 46.6 | 18.2 | V | 858 |
| C/2021 E3 | 2021 04 21.07877 | 21 00 55.62 | +33 40 55.2 | 118 | ||
| C/2021 E3 | 2021 04 21.09194 | 21 00 55.80 | +33 40 59.4 | 118 | ||
| C/2021 E3 | 2021 04 23.04035 | 21 01 10.01 | +33 50 55.4 | 19.7 | G | Z99 |
| C/2021 E3 | 2021 04 23.04438 | 21 01 10.04 | +33 50 56.7 | 19.8 | G | Z99 |
| C/2021 E3 | 2021 04 23.04842 | 21 01 10.08 | +33 50 58.3 | 19.7 | G | Z99 |
| C/2021 E3 | 2021 04 23.09105 | 21 01 10.36 | +33 51 11.7 | 19.2 | G | K74 |
| C/2021 E3 | 2021 04 23.09492 | 21 01 10.39 | +33 51 13.3 | 19.6 | G | K74 |
| C/2021 E3 | 2021 04 23.10225 | 21 01 10.45 | +33 51 15.3 | 19.2 | G | K74 |