22 May 2015
20150521 Week Rotation Today Rotation Week 20150523

NOAA
7 Active Regions

Flare Forecast

Coronal Holes


Today's Coronal Hole Properties
CHIMERA Number
Centroid
[Heliocentric]
Width
[°]
Area
[%]
< B >
[G]
< Φ >
[Mx]
1 E31S63
(-217",-834")
E75-W60
(135)
2.6 -0.9 -3.8e33
2 E37S14
(-557",-213")
E54-E25
(29)
1.2 8.1 4.2e33
3 E46N20
(-646",345")
E67-E32
(35)
0.9 6.9 4.1e33

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-May-2015 23:35 UT .