19 October 2015
⇐20151018 ⇐Week ⇐Rotation Today Rotation⇒ Week⇒ 20151020⇒



Today's Coronal Hole Properties
CHIMERA Number
Centroid
[Heliocentric]
Width
[°]
Area
[%]
< B >
[G]
< Φ >
[Mx]
1 W13N09
(214",60") 		W01-W20
(19) 		1.7 -3.9 -1.3e33
2 E18N21
(-273",264") 		E34-W01
(35) 		1.2 -12.9 -3.9e33
3 E53S60
(-381",-861") 		E58-E54
(4) 		0.0 -2.0 -5.8e32

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 19-Oct-2015 18:30 UT .