21 February 2014
⇐20140220 ⇐Week ⇐Rotation Today Rotation⇒ Week⇒ 20140222⇒



Today's Coronal Hole Properties
CHIMERA Number
Centroid
[Heliocentric]
Width
[°]
Area
[%]
< B >
[G]
< Φ >
[Mx]
1 W27N44
(314",743") 		E29-W75
(104) 		5.2 0.5 2.4e33
2 W05S02
(87",79") 		E06-W13
(19) 		0.7 4.9 6.3e32

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 21-Feb-2014 20:35 UT .