31 March 2024
20240330 Week Rotation Today Rotation Week 20240401



Today's Coronal Hole Properties
CHIMERA Number
Centroid
[Heliocentric]
Width
[°]
Area
[%]
< B >
[G]
< Φ >
[Mx]
1 W04N44
(51",746")
E16-W14
(30)
2.9 -2.8 -2.0e21
2 E09S15
(-139",-139")
E20-W07
(27)
2.0 -5.9 -1.8e21
3 W34S55
(310",-733")
W24-W41
(17)
0.7 1.4 2.5e20
4 W06S45
(69",-599")
E05-W13
(18)
0.6 0.6 6.4e19
5 W52S31
(654",-435")
W43-W65
(22)
0.4 1.9 2.1e20
6 W16S25
(243",-307")
W11-W20
(9)
0.2 -0.9 -2.3e19

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 31-Mar-2024 23:30 UT .