22 July 2017
20170721 Week Rotation Today Rotation Week 20170723

NOAA
0 Active Regions

Flare Forecast

Coronal Holes


Today's Coronal Hole Properties
CHIMERA Number
Centroid
[Heliocentric]
Width
[°]
Area
[%]
< B >
[G]
< Φ >
[Mx]
1 -277
(377",660")
9.3e05
(11.9)
6.2 -5.9 -5.5e34
2 -415
(-271",-880")
3.6e05
(0.6)
5.5 -6.5 -2.4e34

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 22-Jul-2017 23:30 UT .