31 March 2016
⇐20160330 ⇐Week ⇐Rotation Today Rotation⇒ Week⇒ 20160401⇒

NOAA
1 Active Region
12526

Flare Forecast
Flare Prediction System
MM MotD

Coronal Holes


Today's Coronal Hole Properties
CHIMERA Number
Centroid
[Heliocentric]
Width
[°]
Area
[%]
< B >
[G]
< Φ >
[Mx]
1 E20N19
(-315",415") 		E37-W08
(45) 		1.6 -6.2 -3.3e33
2 W28S15
(440",-147") 		W21-W34
(13) 		0.5 -2.1 -3.2e32
3 E59S76
(-204",-910") 		E59-E55
(4) 		0.2 -1.5 -1.8e33

Note: Solar Monitor's coronal hole segmentations are performed by CHIMERA, a copy of which is available at: github.com/TCDSolar/CHIMERA.

The operations of the CHIMERA algorithm is described in a peer reviewed paper: arxiv.org/abs/1711.11476.

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, and the region positions are valid on 31-Mar-2016 23:35 UT .