| Name | Date/time | RA | Dec | Magnitude | Filter | Site Code |
|---|---|---|---|---|---|---|
| C/2019 Y4 | 2020 02 20.99939 | 11 27 01.73 | +53 13 49.3 | 16.5 | G | 130 |
| C/2019 Y4 | 2020 02 21.04652 | 11 26 55.84 | +53 15 29.7 | 15.5 | R | I81 |
| C/2019 Y4 | 2020 02 21.05011 | 11 26 55.38 | +53 15 37.5 | 15.6 | R | I81 |
| C/2019 Y4 | 2020 02 21.05370 | 11 26 54.90 | +53 15 45.3 | 15.6 | R | I81 |
| C/2019 Y4 | 2020 02 21.47589 | 11 26 01.25 | +53 30 56.8 | 15.5 | c | T05 |
| C/2019 Y4 | 2020 02 21.47818 | 11 26 00.96 | +53 31 01.6 | 15.6 | c | T05 |
| C/2019 Y4 | 2020 02 21.48360 | 11 26 00.24 | +53 31 13.5 | 15.6 | c | T05 |
| C/2019 Y4 | 2020 02 21.49456 | 11 25 58.80 | +53 31 37.4 | 16.2 | c | T05 |
| C/2019 Y4 | 2020 02 21.52868 | 11 25 54.23 | +53 32 50.3 | 15.5 | c | T05 |
| C/2019 Y4 | 2020 02 21.53168 | 11 25 53.84 | +53 32 56.7 | 15.4 | c | T05 |
| C/2019 Y4 | 2020 02 21.53651 | 11 25 53.19 | +53 33 07.0 | 15.5 | c | T05 |
| C/2019 Y4 | 2020 02 21.54621 | 11 25 51.90 | +53 33 27.7 | 15.4 | c | T05 |
| C/2019 Y4 | 2020 02 21.97744 | 11 24 55.99 | +53 48 54.8 | 15.4 | N | C10 |
| C/2019 Y4 | 2020 02 21.98886 | 11 24 54.43 | +53 49 19.6 | 15.3 | N | C10 |
| C/2019 Y4 | 2020 02 21.98906 | 11 24 54.04 | +53 49 16.4 | 14.0 | T | C10 |
| C/2019 Y4 | 2020 02 22.00067 | 11 24 52.84 | +53 49 45.2 | 15.3 | N | C10 |
| C/2019 Y4 | 2020 02 22.00647 | 11 24 52.14 | +53 49 57.8 | 15.6 | N | J01 |
| C/2019 Y4 | 2020 02 22.00810 | 11 24 51.67 | +53 50 01.5 | 16.5 | N | 461 |
| C/2019 Y4 | 2020 02 22.01067 | 11 24 51.33 | +53 50 07.0 | 16.6 | N | 461 |
| C/2019 Y4 | 2020 02 22.01324 | 11 24 51.00 | +53 50 12.6 | 16.5 | N | 461 |