15 April 2024
20240414 Week Rotation Today Rotation Week 20240416



Today's Coronal Hole Properties
CHIMERA Number
Centroid
[Heliocentric]
Width
[°]
Area
[%]
< B >
[G]
< Φ >
[Mx]
1 E20S13
(-327",-126")
E29-E13
(16)
1.0 -3.3 -5.2e20
2 W07S38
(96",-518")
E04-W11
(15)
0.3 1.8 1.1e20
3 E15S23
(-232",-285")
E16-E14
(2)
0.1 -11.9 -1.2e20

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 15-Apr-2024 23:30 UT .