| Name | Date/time | RA | Dec | Magnitude | Filter | Site Code |
|---|---|---|---|---|---|---|
| C/2021 E3 | 2021 04 24.06325 | 21 01 16.27 | +33 56 11.6 | 19.3 | G | 595 |
| C/2021 E3 | 2021 04 24.06736 | 21 01 16.26 | +33 56 13.4 | 18.8 | G | 595 |
| C/2021 E3 | 2021 04 24.07148 | 21 01 16.33 | +33 56 14.6 | 19.1 | G | 595 |
| C/2021 E3 | 2021 04 24.11234 | 21 01 16.73 | +33 56 30.0 | 18.9 | R | C10 |
| C/2021 E3 | 2021 04 24.13464 | 21 01 16.72 | +33 56 32.4 | 18.9 | R | C10 |
| C/2021 E3 | 2021 05 05.38173 | 21 01 24.56 | +34 55 55.5 | 18.8 | V | 858 |
| C/2021 E3 | 2021 05 05.39652 | 21 01 24.46 | +34 56 00.6 | 858 | ||
| C/2021 E3 | 2021 05 05.41131 | 21 01 24.44 | +34 56 05.5 | 18.6 | V | 858 |
| C/2021 E3 | 2021 05 07.16716 | 21 01 14.91 | +35 05 28.7 | 19.6 | T | G40 |
| C/2021 E3 | 2021 05 07.18443 | 21 01 14.77 | +35 05 34.6 | 19.0 | T | G40 |
| C/2021 E3 | 2021 05 22.58646 | 20 57 28.42 | +36 25 58.7 | 18.7 | c | T05 |
| C/2021 E3 | 2021 05 22.59247 | 20 57 28.26 | +36 26 00.0 | 18.5 | c | T05 |
| C/2021 E3 | 2021 05 22.60994 | 20 57 27.83 | +36 26 05.5 | 18.7 | c | T05 |
| C/2021 E3 | 2021 05 22.61406 | 20 57 27.79 | +36 26 06.6 | 17.6 | c | T05 |
| C/2021 E3 | 2021 05 24.57257 | 20 56 39.13 | +36 35 43.2 | 18.3 | o | T08 |
| C/2021 E3 | 2021 05 24.57579 | 20 56 39.05 | +36 35 43.6 | 18.4 | o | T08 |
| C/2021 E3 | 2021 05 24.58346 | 20 56 38.79 | +36 35 45.6 | 18.3 | o | T08 |
| C/2021 E3 | 2021 05 24.61265 | 20 56 38.03 | +36 35 55.0 | 18.3 | o | T08 |
| C/2021 E3 | 2021 05 29.12251 | 20 54 27.64 | +36 57 06.8 | 17.5 | T | 213 |
| C/2021 E3 | 2021 05 29.13122 | 20 54 27.35 | +36 57 08.4 | 17.5 | T | 213 |