25 December 2018
20181224 Week Rotation Today Rotation Week 20181226

NOAA
1 Active Region

Flare Forecast

Coronal Holes


Today's Coronal Hole Properties
CHIMERA Number
Centroid
[Heliocentric]
Width
[°]
Area
[%]
< B >
[G]
< Φ >
[Mx]
1 W04N22
(60",396")
E24-W25
(49)
4.8 0.9 1.1e21
2 E22N60
(-177",865")
E45-W70
(115)
2.5 0.9 3.6e21
3 W27S70
(151",-905")
E66-W47
(113)
1.6 -0.9 -3.6e21

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 25-Dec-2018 20:30 UT .