| Name | Date/time | RA | Dec | Magnitude | Filter | Site Code |
|---|---|---|---|---|---|---|
| C/2019 Y4 | 2020 03 02.42892 | 10 57 35.97 | +59 24 09.8 | 14.1 | o | T08 |
| C/2019 Y4 | 2020 03 02.43174 | 10 57 35.34 | +59 24 15.9 | 14.2 | o | T08 |
| C/2019 Y4 | 2020 03 02.44183 | 10 57 33.08 | +59 24 37.2 | 15.2 | o | T08 |
| C/2019 Y4 | 2020 03 02.44707 | 10 57 31.89 | +59 24 47.4 | 14.2 | o | T08 |
| C/2019 Y4 | 2020 03 02.87626 | 10 55 57.00 | +59 39 21.7 | 14.5 | N | C86 |
| C/2019 Y4 | 2020 03 02.87924 | 10 55 56.44 | +59 39 27.4 | 14.5 | N | C86 |
| C/2019 Y4 | 2020 03 02.88023 | 10 55 56.36 | +59 39 30.9 | 14.5 | N | C86 |
| C/2019 Y4 | 2020 03 02.95985 | 10 55 37.93 | +59 42 09.6 | 13.7 | R | L59 |
| C/2019 Y4 | 2020 03 02.97149 | 10 55 35.24 | +59 42 31.9 | 13.4 | R | L59 |
| C/2019 Y4 | 2020 03 02.97756 | 10 55 33.85 | +59 42 45.1 | 13.5 | R | L59 |
| C/2019 Y4 | 2020 03 03.00824 | 10 55 26.82 | +59 43 50.7 | 14.3 | G | Z80 |
| C/2019 Y4 | 2020 03 03.01519 | 10 55 25.26 | +59 44 05.0 | 14.6 | G | Z80 |
| C/2019 Y4 | 2020 03 03.05488 | 10 55 16.04 | +59 45 25.8 | 14.9 | G | C23 |
| C/2019 Y4 | 2020 03 03.06461 | 10 55 13.80 | +59 45 45.6 | 14.8 | G | C23 |
| C/2019 Y4 | 2020 03 03.07659 | 10 55 11.04 | +59 46 09.9 | 14.9 | G | C23 |
| C/2019 Y4 | 2020 03 03.52664 | 10 53 28.62 | +60 01 23.8 | Q23 | ||
| C/2019 Y4 | 2020 03 03.54142 | 10 53 25.13 | +60 01 53.9 | Q23 | ||
| C/2019 Y4 | 2020 03 03.58112 | 10 53 15.71 | +60 03 14.4 | Q23 | ||
| C/2019 Y4 | 2020 03 03.58999 | 10 53 13.60 | +60 03 32.5 | 12.2 | T | Q23 |
| C/2019 Y4 | 2020 03 03.88351 | 10 52 05.25 | +60 13 20.5 | 14.0 | N | 970 |