2 April 2019
20190401 Week Rotation Today Rotation Week 20190403

NOAA
1 Active Region

Flare Forecast

Coronal Holes


Today's Coronal Hole Properties
CHIMERA Number
Centroid
[Heliocentric]
Width
[°]
Area
[%]
< B >
[G]
< Φ >
[Mx]
1 W10S44
(117",-591")
E66-W51
(117)
16.2 -0.6 -4.2e21
2 W45S34
(570",-466")
W42-W48
(6)
0.2 -1.3 -1.7e20
3 W43N18
(622",378")
W39-W48
(9)
0.1 -0.7 -5.9e19

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 2-Apr-2019 19:30 UT .