6 August 2012
⇐20120805 ⇐Week ⇐Rotation Today Rotation⇒ Week⇒ 20120807⇒



Today's Coronal Hole Properties
CHIMERA Number
Centroid
[Heliocentric]
Width
[°]
Area
[%]
< B >
[G]
< Φ >
[Mx]
1 E16N10
(-261",69") 		E22-E09
(13) 		0.6 -1.2 -1.4e32
2 W20N45
(231",604") 		W16-W25
(9) 		0.0 -2.0 -4.7e31
3 E08N15
(-129",141") 		E09-E06
(3) 		0.0 -27.6 -2.5e32

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-Aug-2012 23:00 UT .