8 April 2024
20240407 Week Rotation Today Rotation Week 20240409



Today's Coronal Hole Properties
CHIMERA Number
Centroid
[Heliocentric]
Width
[°]
Area
[%]
< B >
[G]
< Φ >
[Mx]
1 W25S61
(198",-792")
W06-W37
(31)
0.4 1.0 1.2e20
2 E23N32
(-320",582")
E30-E17
(13)
0.2 4.6 2.2e20
3 E09S21
(-148",-248")
E15-E05
(10)
0.2 -8.0 -2.6e20
4 E48N34
(-588",589")
E57-E43
(14)
0.2 4.0 2.5e20
5 E26S28
(-372",-366")
E29-E22
(7)
0.1 -2.1 -5.6e19

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 8-Apr-2024 23:30 UT .