23 August 2014
20140822 Week Rotation Today Rotation Week 20140824



Today's Coronal Hole Properties
CHIMERA Number
Centroid
[Heliocentric]
Width
[°]
Area
[%]
< B >
[G]
< Φ >
[Mx]
1 E12N55
(-112",711")
E61-W41
(102)
7.2 0.2 7.3e32
2 W20S64
(142",-892")
W01-W42
(41)
0.2 -0.8 -5.2e32
3 W32S41
(375",-692")
W26-W35
(9)
0.1 -0.6 -7.4e31
4 E50N40
(-559",550")
E52-E48
(4)
0.1 -1.5 -9.0e31
5 W24N37
(309",484")
W22-W25
(3)
0.0 -4.0 -5.5e31

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 23-Aug-2014 23:35 UT .