19 December 2014
20141218 Week Rotation Today Rotation Week 20141220



Today's Coronal Hole Properties
CHIMERA Number
Centroid
[Heliocentric]
Width
[°]
Area
[%]
< B >
[G]
< Φ >
[Mx]
1 E29S57
(-253",-810")
E72-W03
(75)
2.9 -1.6 -5.3e33
2 W08N08
(142",162")
W03-W14
(11)
0.4 -3.1 -2.5e32

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 19-Dec-2014 22:35 UT .