18 February 2019
20190217 Week Rotation Today Rotation Week 20190219

NOAA
0 Active Regions

Flare Forecast

Coronal Holes


Today's Coronal Hole Properties
CHIMERA Number
Centroid
[Heliocentric]
Width
[°]
Area
[%]
< B >
[G]
< Φ >
[Mx]
1 W19S03
(324",65")
W03-W35
(32)
5.0 0.5 6.5e20
2 W37S71
(190",-881")
E66-W56
(122)
2.0 -1.3 -5.5e21
3 W29N63
(219",903")
E31-W57
(88)
1.3 0.8 3.7e21
4 W33S06
(534",-3")
W27-W40
(13)
0.6 0.9 1.8e20

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 18-Feb-2019 20:30 UT .