13 September 2017
20170912 Week Rotation Today Rotation Week 20170914

NOAA
3 Active Regions

Flare Forecast

Coronal Holes


Today's Coronal Hole Properties
CHIMERA Number
Centroid
[Heliocentric]
Width
[°]
Area
[%]
< B >
[G]
< Φ >
[Mx]
1 W03N52
(32",678")
E56-W52
(108)
14.6 1.5 1.2e34
2 W09S22
(141",-459")
E20-W27
(47)
3.0 -0.1 -1.0e32

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 13-Sep-2017 19:30 UT .