27 April 2019
20190426 Week Rotation Today Rotation Week 20190428

NOAA
0 Active Regions

Flare Forecast

Coronal Holes


Today's Coronal Hole Properties
CHIMERA Number
Centroid
[Heliocentric]
Width
[°]
Area
[%]
< B >
[G]
< Φ >
[Mx]
1 E18S22
(-270",-298")
E43-W20
(63)
9.2 -0.4 -8.5e20
2 W28S04
(442",-4")
W03-W43
(40)
4.3 0.0 3.5e19
3 E17S67
(-106",-849")
E82-W73
(155)
3.2 -0.8 -3.9e21
4 W45N67
(259",898")
W36-W61
(25)
0.1 2.2 9.3e20

Note: Solar Monitor's coronal hole segmentations are performed by CHIMERA, a copy of which is available at: github.com/solarmonitor/solarmonitoridl/idl. An extensive copy of coronal hole properties are available at: solarmonitor.org/data. The latest positions of the coronal holes are given in heliocentric co-ordinates. The region positions are valid on 27-Apr-2019 22:00 UT .