6 January 2023
⇐20230105 ⇐Week ⇐Rotation Today Rotation⇒ Week⇒ 20230107⇒



Today's Coronal Hole Properties
CHIMERA Number
Centroid
[Heliocentric]
Width
[°]
Area
[%]
< B >
[G]
< Φ >
[Mx]
1 E11N39
(-144",661") 		E25-W05
(30) 		1.6 -7.7 -2.6e21
2 E19N05
(-310",137") 		E21-E15
(6) 		0.0 2.3 1.8e19

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 6-Jan-2023 20:30 UT .