| Name | Date/time | RA | Dec | Magnitude | Filter | Site Code |
|---|---|---|---|---|---|---|
| C/2019 O3 | 2021 04 16.61745 | 19 47 16.44 | +41 40 42.9 | 17.4 | o | T05 |
| C/2019 O3 | 2021 04 16.62485 | 19 47 16.39 | +41 40 46.4 | 16.7 | o | T05 |
| C/2019 O3 | 2021 04 18.55493 | 19 47 08.89 | +41 58 07.5 | 16.9 | c | T08 |
| C/2019 O3 | 2021 04 18.55815 | 19 47 08.86 | +41 58 09.3 | 17.0 | c | T08 |
| C/2019 O3 | 2021 04 18.56554 | 19 47 08.81 | +41 58 13.0 | 16.8 | c | T08 |
| C/2019 O3 | 2021 04 19.73248 | 19 47 03.15 | +42 08 43.0 | 16.3 | T | Q11 |
| C/2019 O3 | 2021 04 19.74110 | 19 47 03.10 | +42 08 47.8 | Q11 | ||
| C/2019 O3 | 2021 04 19.74966 | 19 47 03.06 | +42 08 52.4 | Q11 | ||
| C/2019 O3 | 2021 04 20.60495 | 19 46 58.30 | +42 16 33.5 | 16.5 | o | T05 |
| C/2019 O3 | 2021 04 20.61491 | 19 46 58.26 | +42 16 39.6 | 17.2 | o | T05 |
| C/2019 O3 | 2021 04 20.61904 | 19 46 58.23 | +42 16 41.3 | 16.5 | o | T05 |
| C/2019 O3 | 2021 04 20.62317 | 19 46 58.18 | +42 16 43.5 | 16.6 | o | T05 |
| C/2019 O3 | 2021 04 23.62595 | 19 46 37.90 | +42 43 40.9 | D95 | ||
| C/2019 O3 | 2021 04 23.63022 | 19 46 37.84 | +42 43 43.1 | D95 | ||
| C/2019 O3 | 2021 04 23.63448 | 19 46 37.86 | +42 43 45.7 | 16.1 | T | D95 |
| C/2019 O3 | 2021 04 24.53071 | 19 46 30.62 | +42 51 48.0 | 17.1 | o | T05 |
| C/2019 O3 | 2021 04 24.53624 | 19 46 30.57 | +42 51 50.4 | 17.2 | o | T05 |
| C/2019 O3 | 2021 04 24.54629 | 19 46 30.44 | +42 51 55.2 | 16.4 | o | T05 |
| C/2019 O3 | 2021 04 24.55274 | 19 46 30.42 | +42 51 59.4 | 16.5 | o | T05 |
| C/2019 O3 | 2021 04 28.58304 | 19 45 51.48 | +43 27 59.7 | 16.7 | o | T05 |