8 October 2013
20131007 Week Rotation Today Rotation Week 20131009



Today's Coronal Hole Properties
CHIMERA Number
Centroid
[Heliocentric]
Width
[°]
Area
[%]
< B >
[G]
< Φ >
[Mx]
1 E17N31
(-240",410")
E40-W14
(54)
2.6 -3.9 -3.1e33
2 W28N22
(420",276")
W19-W37
(18)
0.6 -1.0 -1.9e32
3 E16S37
(-213",-654")
E26-E10
(16)
0.5 -1.7 -4.8e32
4 W37S25
(522",-477")
W32-W41
(9)
0.3 5.4 8.0e32
5 W13N68
(84",844")
W09-W18
(9)
0.1 -0.9 -8.8e31

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 8-Oct-2013 23:35 UT .