13 February 2018
20180212 Week Rotation Today Rotation Week 20180214

NOAA
2 Active Regions

Flare Forecast

Coronal Holes


Today's Coronal Hole Properties
CHIMERA Number
Centroid
[Heliocentric]
Width
[°]
Area
[%]
< B >
[G]
< Φ >
[Mx]
1 E13N12
(-219",316")
E34-W24
(58)
5.9 -1.6 -2.3e33
2 W42S73
(193",-897")
W10-W87
(77)
0.8 -1.4 -3.2e33
3 E46S24
(-640",-324")
E52-E41
(11)
0.2 -1.1 -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-Feb-2018 20:30 UT .