19 November 2013
⇐20131118 ⇐Week ⇐Rotation Today Rotation⇒ Week⇒ 20131120⇒



Today's Coronal Hole Properties
CHIMERA Number
Centroid
[Heliocentric]
Width
[°]
Area
[%]
< B >
[G]
< Φ >
[Mx]
1 W59N48
(554",709") 		W38-W65
(27) 		1.4 -0.5 -1.4e33
2 W69N31
(778",484") 		W61-W80
(19) 		0.1 -1.3 -5.2e32

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-Nov-2013 22:05 UT .