8 April 2019
20190407 Week Rotation Today Rotation Week 20190409

NOAA
2 Active Regions

Flare Forecast

Coronal Holes


Today's Coronal Hole Properties
CHIMERA Number
Centroid
[Heliocentric]
Width
[°]
Area
[%]
< B >
[G]
< Φ >
[Mx]
1 W09S56
(81",-734")
E52-W75
(127)
8.7 -0.7 -4.0e21
2 E35N60
(-274",868")
E58-E28
(30)
0.5 0.9 1.3e21
3 E25N11
(-391",281")
E30-E18
(12)
0.3 0.9 8.9e19
4 W37S57
(315",-758")
W35-W39
(4)
0.0 -2.3 -1.1e20

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 8-Apr-2019 19:30 UT .