14 October 2015
20151013 Week Rotation Today Rotation Week 20151015



Today's Coronal Hole Properties
CHIMERA Number
Centroid
[Heliocentric]
Width
[°]
Area
[%]
< B >
[G]
< Φ >
[Mx]
1 W36N41
(430",568")
E16-W70
(86)
21.8 0.9 1.2e34
2 E20N18
(-314",214")
E22-E17
(5)
0.1 -1.4 -2.5e31

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 14-Oct-2015 18:30 UT .