26 January 2014
⇐20140125 ⇐Week ⇐Rotation Today Rotation⇒ Week⇒ 20140127⇒



Today's Coronal Hole Properties
CHIMERA Number
Centroid
[Heliocentric]
Width
[°]
Area
[%]
< B >
[G]
< Φ >
[Mx]
1 W29N58
(251",868") 		E24-W47
(71) 		1.9 0.2 7.9e32
2 E52N25
(-699",460") 		E65-E38
(27) 		0.5 1.0 5.2e32
3 E31N47
(-340",768") 		E34-E25
(9) 		0.3 0.4 1.5e32

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 26-Jan-2014 20:35 UT .