| Name | Date/time | RA | Dec | Magnitude | Filter | Site Code |
|---|---|---|---|---|---|---|
| C/2019 Y4 | 2020 02 19.01265 | 11 30 55.94 | +52 02 52.2 | 15.4 | R | 585 |
| C/2019 Y4 | 2020 02 19.01343 | 11 30 55.84 | +52 02 53.8 | 15.4 | R | 585 |
| C/2019 Y4 | 2020 02 19.01424 | 11 30 55.78 | +52 02 55.1 | 15.3 | R | 585 |
| C/2019 Y4 | 2020 02 19.01478 | 11 30 55.76 | +52 02 55.8 | 15.4 | R | 585 |
| C/2019 Y4 | 2020 02 19.01554 | 11 30 55.60 | +52 02 58.3 | 15.5 | R | 585 |
| C/2019 Y4 | 2020 02 19.01625 | 11 30 55.52 | +52 02 59.7 | 15.4 | R | 585 |
| C/2019 Y4 | 2020 02 19.01698 | 11 30 55.44 | +52 03 01.2 | 15.4 | R | 585 |
| C/2019 Y4 | 2020 02 19.01771 | 11 30 55.38 | +52 03 02.9 | 15.5 | R | 585 |
| C/2019 Y4 | 2020 02 19.01843 | 11 30 55.29 | +52 03 04.3 | 15.4 | R | 585 |
| C/2019 Y4 | 2020 02 19.01916 | 11 30 55.20 | +52 03 05.8 | 15.4 | R | 585 |
| C/2019 Y4 | 2020 02 19.01987 | 11 30 55.12 | +52 03 07.2 | 15.4 | R | 585 |
| C/2019 Y4 | 2020 02 19.02059 | 11 30 55.04 | +52 03 08.8 | 15.3 | R | 585 |
| C/2019 Y4 | 2020 02 19.02132 | 11 30 54.96 | +52 03 10.4 | 15.3 | R | 585 |
| C/2019 Y4 | 2020 02 19.02204 | 11 30 54.88 | +52 03 11.9 | 15.4 | R | 585 |
| C/2019 Y4 | 2020 02 19.02275 | 11 30 54.79 | +52 03 13.3 | 15.4 | R | 585 |
| C/2019 Y4 | 2020 02 19.04337 | 11 30 52.61 | +52 03 56.5 | 15.6 | G | Z80 |
| C/2019 Y4 | 2020 02 19.05311 | 11 30 51.48 | +52 04 17.4 | 15.6 | G | Z80 |
| C/2019 Y4 | 2020 02 19.11296 | 11 30 44.75 | +52 06 25.5 | 15.4 | R | I81 |
| C/2019 Y4 | 2020 02 19.11662 | 11 30 44.35 | +52 06 33.4 | 15.5 | R | I81 |
| C/2019 Y4 | 2020 02 19.11945 | 11 30 44.06 | +52 06 39.2 | 15.5 | R | I81 |