18 November 2024
20241117 Week Rotation Today Rotation Week 20241119



Today's Coronal Hole Properties
CHIMERA Number
Centroid
[Heliocentric]
Width
[°]
Area
[%]
< B >
[G]
< Φ >
[Mx]
1 E25S15
(-399",-285")
E40-E04
(36)
2.1 -9.7 -3.6e21
2 W07S09
(124",-199")
E02-W12
(14)
0.7 -8.0 -8.8e20
3 W03N50
(37",715")
E01-W06
(7)
0.1 1.1 2.8e19
4 W73N28
(814",452")
W70-W84
(14)
0.0 2.8 6.7e19

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 18-Nov-2024 20:30 UT .