14 January 2024
⇐20240113 ⇐Week ⇐Rotation Today Rotation⇒ Week⇒ 20240115⇒



Today's Coronal Hole Properties
CHIMERA Number
Centroid
[Heliocentric]
Width
[°]
Area
[%]
< B >
[G]
< Φ >
[Mx]
1 W20N10
(334",244") 		W07-W29
(22) 		1.5 2.3 5.8e20
2 E31N13
(-493",285") 		E35-E28
(7) 		0.2 8.3 3.0e20
3 E47N18
(-676",358") 		E51-E43
(8) 		0.1 10.4 1.5e20

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 14-Jan-2024 20:30 UT .