28 September 2018
20180927 Week Rotation Today Rotation Week 20180929

NOAA
0 Active Regions

Flare Forecast

Coronal Holes


Today's Coronal Hole Properties
CHIMERA Number
Centroid
[Heliocentric]
Width
[°]
Area
[%]
< B >
[G]
< Φ >
[Mx]
1 E01N68
(-4",839")
E90-W69
(159)
4.3 1.5 7.7e21
2 E01N05
(-22",-25")
E11-W14
(25)
2.6 -0.1 -2.6e19
3 E30S09
(-480",-246")
E40-E12
(28)
2.1 -1.0 -7.5e20

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 28-Sep-2018 23:10 UT .