11 February 2025
20250210 Week Rotation Today Rotation Week 20250212



Today's Coronal Hole Properties
CHIMERA Number
Centroid
[Heliocentric]
Width
[°]
Area
[%]
< B >
[G]
< Φ >
[Mx]
1 E13S24
(-203",-288")
E42-W35
(77)
7.3 -7.6 -9.1e21
2 W59N20
(784",382")
W50-W72
(22)
0.9 -3.6 -1.2e21
3 W60S08
(838",-70")
W52-W69
(17)
0.9 -4.0 -1.0e21
4 W32N67
(202",925")
W22-W53
(31)
0.2 -1.0 -1.4e20
5 E03S41
(-36",-555")
E06-W03
(9)
0.2 -2.8 -8.7e19
6 W10N52
(100",833")
W07-W12
(5)
0.0 1.3 1.6e19

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 11-Feb-2025 20:30 UT .