26 September 2015
20150925 Week Rotation Today Rotation Week 20150927



Today's Coronal Hole Properties
CHIMERA Number
Centroid
[Heliocentric]
Width
[°]
Area
[%]
< B >
[G]
< Φ >
[Mx]
1 E26N35
(-343",457")
E50-E11
(39)
1.1 1.0 4.1e32
2 W29S63
(211",-891")
E07-W35
(42)
0.8 -0.7 -1.8e33
3 E40N10
(-604",85")
E45-E34
(11)
0.3 9.3 1.2e33
4 E03S13
(-49",-331")
5
(2.6e03)
7.3 41.4 1.1e33
5 W45S33
(565",-592")
W43-W47
(4)
0.1 -4.1 -2.3e32
6 W52S26
(674",-487")
W49-W55
(6)
0.0 -5.0 -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 26-Sep-2015 18:30 UT .