11 October 2023
⇐20231010 ⇐Week ⇐Rotation Today Rotation⇒ Week⇒ 20231012⇒



Today's Coronal Hole Properties
CHIMERA Number
Centroid
[Heliocentric]
Width
[°]
Area
[%]
< B >
[G]
< Φ >
[Mx]
1 W44S06
(668",-165") 		W36-W57
(21) 		1.3 -2.3 -6.8e20
2 E14S09
(-238",-243") 		E18-E10
(8) 		0.6 3.9 3.7e20
3 E22S32
(-303",-585") 		E32-E12
(20) 		0.5 6.1 6.7e20
4 E56S44
(-571",-708") 		E67-E45
(22) 		0.2 0.4 3.8e19
5 W50S30
(637",-535") 		W42-W56
(14) 		0.2 -6.9 -3.2e20
6 W43N58
(346",771") 		W34-W51
(17) 		0.1 -1.3 -5.3e19
7 W22N45
(256",615") 		W20-W24
(4) 		0.0 1.6 1.6e19
8 W28N62
(211",801") 		W22-W31
(9) 		0.0 -1.0 -1.2e19

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-Oct-2023 23:30 UT .