12 February 2022
20220211 Week Rotation Today Rotation Week 20220213



Today's Coronal Hole Properties
CHIMERA Number
Centroid
[Heliocentric]
Width
[°]
Area
[%]
< B >
[G]
< Φ >
[Mx]
1 E19N07
(-323",221")
E27-E05
(22)
1.3 -1.1 -2.3e20
2 W26S17
(406",-180")
W18-W33
(15)
1.1 -6.2 -1.2e21
3 E10S77
(-38",-916")
E64-W58
(122)
0.7 -1.0 -3.1e20
4 E44S16
(-644",-191")
E49-E36
(13)
0.5 -1.6 -1.7e20
5 E47N16
(-678",349")
E53-E40
(13)
0.4 2.4 2.6e20
6 W24S31
(338",-406")
W21-W27
(6)
0.1 -0.8 -1.1e19

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 12-Feb-2022 20:30 UT .