| Name | Date/time | RA | Dec | Magnitude | Filter | Site Code |
|---|---|---|---|---|---|---|
| C/2019 Y4 | 2020 02 25.01087 | 11 17 37.21 | +55 37 55.5 | 14.9 | R | 585 |
| C/2019 Y4 | 2020 02 25.01157 | 11 17 37.08 | +55 37 57.0 | 14.9 | R | 585 |
| C/2019 Y4 | 2020 02 25.01229 | 11 17 36.98 | +55 37 58.6 | 14.8 | R | 585 |
| C/2019 Y4 | 2020 02 25.01300 | 11 17 36.83 | +55 38 00.7 | 14.8 | R | 585 |
| C/2019 Y4 | 2020 02 25.01370 | 11 17 36.74 | +55 38 01.9 | 14.9 | R | 585 |
| C/2019 Y4 | 2020 02 25.01441 | 11 17 36.65 | +55 38 03.2 | 14.8 | R | 585 |
| C/2019 Y4 | 2020 02 25.01512 | 11 17 36.52 | +55 38 04.7 | 14.8 | R | 585 |
| C/2019 Y4 | 2020 02 25.01583 | 11 17 36.41 | +55 38 06.2 | 14.8 | R | 585 |
| C/2019 Y4 | 2020 02 25.01654 | 11 17 36.31 | +55 38 08.1 | 14.8 | R | 585 |
| C/2019 Y4 | 2020 02 25.39859 | 11 16 35.50 | +55 51 51.8 | 12.8 | T | H06 |
| C/2019 Y4 | 2020 02 25.39954 | 11 16 35.34 | +55 51 53.8 | 15.1 | N | H06 |
| C/2019 Y4 | 2020 02 25.40141 | 11 16 35.05 | +55 51 57.7 | H06 | ||
| C/2019 Y4 | 2020 02 25.40330 | 11 16 34.75 | +55 52 01.8 | H06 | ||
| C/2019 Y4 | 2020 02 25.86804 | 11 15 20.04 | +56 08 37.6 | 15.3 | V | G20 |
| C/2019 Y4 | 2020 02 25.87782 | 11 15 18.41 | +56 08 58.8 | 15.3 | V | G20 |
| C/2019 Y4 | 2020 02 25.88993 | 11 15 16.32 | +56 09 24.6 | 15.3 | V | G20 |
| C/2019 Y4 | 2020 02 26.34874 | 11 13 59.84 | +56 25 52.9 | 17.6 | G | 568 |
| C/2019 Y4 | 2020 02 26.34960 | 11 13 59.70 | +56 25 54.7 | 17.5 | G | 568 |
| C/2019 Y4 | 2020 02 27.04237 | 11 11 59.86 | +56 50 34.5 | 14.6 | R | I81 |
| C/2019 Y4 | 2020 02 27.04520 | 11 11 59.40 | +56 50 40.6 | 14.6 | R | I81 |