17 February 2019
20190216 Week Rotation Today Rotation Week 20190218

NOAA
0 Active Regions

Flare Forecast

Coronal Holes


Today's Coronal Hole Properties
CHIMERA Number
Centroid
[Heliocentric]
Width
[°]
Area
[%]
< B >
[G]
< Φ >
[Mx]
1 W22S16
(348",-158")
E05-W36
(41)
4.5 0.6 6.7e20
2 W32S71
(171",-879")
E71-W62
(133)
2.2 -1.4 -6.2e21
3 W27N62
(208",898")
E33-W59
(92)
1.5 0.8 3.8e21
4 W20N27
(297",543")
W18-W23
(5)
0.1 2.4 5.1e19

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 17-Feb-2019 20:30 UT .