| Name | Date/time | RA | Dec | Magnitude | Filter | Site Code |
|---|---|---|---|---|---|---|
| C/2019 Y4 | 2020 02 02.11988 | 11 49 24.89 | +42 49 43.8 | 18.0 | V | A77 |
| C/2019 Y4 | 2020 02 03.32600 | 11 48 46.45 | +43 25 06.7 | 16.7 | G | 703 |
| C/2019 Y4 | 2020 02 03.33142 | 11 48 46.26 | +43 25 16.5 | 16.6 | G | 703 |
| C/2019 Y4 | 2020 02 03.33685 | 11 48 46.03 | +43 25 26.1 | 16.6 | G | 703 |
| C/2019 Y4 | 2020 02 03.34227 | 11 48 45.84 | +43 25 35.7 | 16.7 | G | 703 |
| C/2019 Y4 | 2020 02 03.56178 | 11 48 38.08 | +43 32 09.2 | 16.8 | o | T08 |
| C/2019 Y4 | 2020 02 03.56748 | 11 48 37.87 | +43 32 19.7 | 17.5 | o | T08 |
| C/2019 Y4 | 2020 02 03.57179 | 11 48 37.69 | +43 32 27.3 | 16.7 | o | T08 |
| C/2019 Y4 | 2020 02 03.58601 | 11 48 37.17 | +43 32 52.7 | 16.8 | o | T08 |
| C/2019 Y4 | 2020 02 03.88167 | 11 48 27.19 | +43 41 35.8 | 16.9 | N | I72 |
| C/2019 Y4 | 2020 02 03.90817 | 11 48 26.19 | +43 42 23.7 | 17.1 | N | I72 |
| C/2019 Y4 | 2020 02 03.93450 | 11 48 25.19 | +43 43 11.1 | 17.0 | N | I72 |
| C/2019 Y4 | 2020 02 05.48353 | 11 47 24.56 | +44 30 15.0 | 16.5 | o | T05 |
| C/2019 Y4 | 2020 02 05.48684 | 11 47 24.44 | +44 30 21.3 | 16.7 | o | T05 |
| C/2019 Y4 | 2020 02 05.49354 | 11 47 24.15 | +44 30 33.6 | 17.4 | o | T05 |
| C/2019 Y4 | 2020 02 05.50306 | 11 47 23.72 | +44 30 51.9 | 17.1 | i | F51 |
| C/2019 Y4 | 2020 02 05.50856 | 11 47 23.47 | +44 31 01.4 | 16.6 | o | T05 |
| C/2019 Y4 | 2020 02 05.51663 | 11 47 23.14 | +44 31 16.5 | 17.4 | i | F51 |
| C/2019 Y4 | 2020 02 05.53105 | 11 47 22.49 | +44 31 43.0 | 17.4 | i | F51 |
| C/2019 Y4 | 2020 02 05.54417 | 11 47 21.89 | +44 32 07.2 | 17.3 | i | F51 |