18 October 2018
20181017 Week Rotation Today Rotation Week 20181019

NOAA
2 Active Regions

Flare Forecast

Coronal Holes


Today's Coronal Hole Properties
CHIMERA Number
Centroid
[Heliocentric]
Width
[°]
Area
[%]
< B >
[G]
< Φ >
[Mx]
1 E03N63
(-25",816")
E70-W29
(99)
4.4 1.3 5.6e21
2 E33S23
(-485",-443")
E44-E18
(26)
2.6 -0.4 -4.4e20
3 W04S47
(40",-769")
E38-W16
(54)
2.4 -0.2 -4.7e20
4 E29S02
(-471",-119")
E38-E21
(17)
0.6 -0.9 -1.8e20
5 E17S33
(-238",-594")
E22-E13
(9)
0.2 -0.7 -4.9e19

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 18-Oct-2018 23:10 UT .