24 June 2023
20230623 Week Rotation Today Rotation Week 20230625



Today's Coronal Hole Properties
CHIMERA Number
Centroid
[Heliocentric]
Width
[°]
Area
[%]
< B >
[G]
< Φ >
[Mx]
1 E42S40
(-480",-628")
E74-E19
(55)
1.7 2.5 1.2e21
2 W18N41
(217",599")
W10-W29
(19)
0.7 -2.8 -3.9e20
3 W17N01
(280",-12")
W11-W21
(10)
0.2 -1.3 -3.6e19
4 E54N48
(-516",682")
E59-E51
(8)
0.1 -0.4 -9.7e18
5 E16S54
(-156",-786")
E19-E14
(5)
0.0 -1.7 -1.8e19

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 24-Jun-2023 23:30 UT .