| Name | Date/time | RA | Dec | Magnitude | Filter | Site Code |
|---|---|---|---|---|---|---|
| C/2019 Y4 | 2020 03 03.90491 | 10 52 00.13 | +60 14 04.0 | 14.0 | N | 970 |
| C/2019 Y4 | 2020 03 03.99333 | 10 51 38.95 | +60 17 01.2 | 14.1 | R | I81 |
| C/2019 Y4 | 2020 03 03.99618 | 10 51 38.27 | +60 17 06.9 | 14.1 | R | I81 |
| C/2019 Y4 | 2020 03 04.00193 | 10 51 36.88 | +60 17 18.4 | 14.1 | R | I81 |
| C/2019 Y4 | 2020 03 04.00624 | 10 51 35.85 | +60 17 27.1 | 14.1 | R | I81 |
| C/2019 Y4 | 2020 03 04.18478 | 10 50 52.83 | +60 23 22.7 | 14.1 | R | I81 |
| C/2019 Y4 | 2020 03 04.18763 | 10 50 52.15 | +60 23 28.3 | 14.0 | R | I81 |
| C/2019 Y4 | 2020 03 04.19338 | 10 50 50.77 | +60 23 39.7 | 14.1 | R | I81 |
| C/2019 Y4 | 2020 03 04.19769 | 10 50 49.73 | +60 23 48.3 | 14.1 | R | I81 |
| C/2019 Y4 | 2020 03 04.87940 | 10 48 04.88 | +60 46 25.6 | 14.9 | R | 160 |
| C/2019 Y4 | 2020 03 04.88565 | 10 48 03.31 | +60 46 38.0 | 15.0 | R | 160 |
| C/2019 Y4 | 2020 03 04.89192 | 10 48 01.70 | +60 46 50.3 | 15.0 | R | 160 |
| C/2019 Y4 | 2020 03 05.58385 | 10 45 08.01 | +61 09 24.3 | 12.7 | R | D29 |
| C/2019 Y4 | 2020 03 05.59690 | 10 45 04.62 | +61 09 49.5 | 12.5 | R | D29 |
| C/2019 Y4 | 2020 03 05.60994 | 10 45 01.22 | +61 10 15.1 | 12.5 | R | D29 |
| C/2019 Y4 | 2020 03 05.79844 | 10 44 13.18 | +61 16 21.5 | 14.3 | N | 213 |
| C/2019 Y4 | 2020 03 05.80523 | 10 44 11.41 | +61 16 35.2 | 14.5 | N | 213 |
| C/2019 Y4 | 2020 03 05.85240 | 10 43 59.15 | +61 18 07.0 | 14.4 | N | 213 |