| Name | Date/time | RA | Dec | Magnitude | Filter | Site Code |
|---|---|---|---|---|---|---|
| C/2019 Y4 | 2020 01 01.22960 | 11 46 18.81 | +31 37 08.8 | 18.8 | R | L27 |
| C/2019 Y4 | 2020 01 01.48856 | 11 46 26.56 | +31 40 44.8 | 19.1 | R | H36 |
| C/2019 Y4 | 2020 01 01.49626 | 11 46 26.79 | +31 40 51.4 | 18.5 | R | H36 |
| C/2019 Y4 | 2020 01 01.50375 | 11 46 27.02 | +31 40 57.7 | 18.4 | R | H36 |
| C/2019 Y4 | 2020 01 01.59986 | 11 46 29.98 | +31 42 19.3 | 20.4 | G | T12 |
| C/2019 Y4 | 2020 01 01.60080 | 11 46 30.01 | +31 42 20.1 | 20.4 | G | T12 |
| C/2019 Y4 | 2020 01 01.60177 | 11 46 30.03 | +31 42 20.9 | 20.5 | G | T12 |
| C/2019 Y4 | 2020 01 01.60276 | 11 46 30.06 | +31 42 21.8 | 20.4 | G | T12 |
| C/2019 Y4 | 2020 01 01.60372 | 11 46 30.09 | +31 42 22.6 | 20.5 | G | T12 |
| C/2019 Y4 | 2020 01 01.62013 | 11 46 30.57 | +31 42 36.9 | 19.6 | o | T08 |
| C/2019 Y4 | 2020 01 01.62341 | 11 46 30.60 | +31 42 39.8 | 19.5 | o | T08 |
| C/2019 Y4 | 2020 01 01.63150 | 11 46 30.87 | +31 42 46.3 | 19.3 | o | T08 |
| C/2019 Y4 | 2020 01 01.64160 | 11 46 31.15 | +31 42 53.9 | 19.4 | o | T08 |
| C/2019 Y4 | 2020 01 01.66206 | 11 46 32.00 | +31 43 10.5 | 18.1 | R | Q11 |
| C/2019 Y4 | 2020 01 01.66784 | 11 46 32.17 | +31 43 15.4 | Q11 | ||
| C/2019 Y4 | 2020 01 01.67401 | 11 46 32.33 | +31 43 20.3 | Q11 | ||
| C/2019 Y4 | 2020 01 02.00133 | 11 46 41.85 | +31 47 55.8 | 20.0 | V | 033 |
| C/2019 Y4 | 2020 01 02.00190 | 11 46 41.86 | +31 47 56.4 | 19.9 | V | 033 |
| C/2019 Y4 | 2020 01 02.00245 | 11 46 41.88 | +31 47 56.7 | 20.1 | V | 033 |
| C/2019 Y4 | 2020 01 02.00850 | 11 46 42.07 | +31 48 02.4 | 246 |