15 February 2014
⇐20140214 ⇐Week ⇐Rotation Today Rotation⇒ Week⇒ 20140216⇒



Today's Coronal Hole Properties
CHIMERA Number
Centroid
[Heliocentric]
Width
[°]
Area
[%]
< B >
[G]
< Φ >
[Mx]
1 E20N38
(-262",684") 		E56-W23
(79) 		5.9 1.1 3.9e33
2 W42S54
(380",-734") 		E10-W73
(83) 		3.4 -0.4 -1.2e33
3 E28S62
(-217",-804") 		E44-E09
(35) 		0.3 -0.8 -2.7e32
4 W33N48
(350",784") 		W25-W39
(14) 		0.1 -0.4 -6.9e31

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 15-Feb-2014 20:35 UT .