15 October 2023
⇐20231014 ⇐Week ⇐Rotation Today Rotation⇒ Week⇒ 20231016⇒



Today's Coronal Hole Properties
CHIMERA Number
Centroid
[Heliocentric]
Width
[°]
Area
[%]
< B >
[G]
< Φ >
[Mx]
1 W43S07
(658",-189") 		W39-W49
(10) 		0.5 3.2 3.5e20
2 E57N43
(-587",619") 		E66-E55
(11) 		0.4 -2.0 -2.4e20
3 E05S06
(-84",-194") 		E07-E02
(5) 		0.2 -4.3 -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 15-Oct-2023 23:30 UT .