7 October 2022
20221006 Week Rotation Today Rotation Week 20221008



Today's Coronal Hole Properties
CHIMERA Number
Centroid
[Heliocentric]
Width
[°]
Area
[%]
< B >
[G]
< Φ >
[Mx]
1 W35S04
(547",-154")
W28-W41
(13)
0.7 1.8 2.5e20
2 W21S41
(264",-707")
E01-W29
(30)
0.7 4.6 7.9e20
3 E48N36
(-576",508")
E56-E39
(17)
0.3 -2.4 -1.9e20
4 E43S18
(-621",-375")
E48-E38
(10)
0.2 -4.1 -2.3e20
5 E41N21
(-586",274")
E45-E38
(7)
0.1 -5.2 -1.1e20
6 W29N60
(232",782")
W25-W36
(11)
0.1 -0.9 -1.3e19

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 7-Oct-2022 23:30 UT .