7 December 2013
⇐20131206 ⇐Week ⇐Rotation Today Rotation⇒ Week⇒ 20131208⇒

NOAA
7 Active Regions
11908
11909
11911
11912
11915
11916
11914

Flare Forecast
Flare Forecast
MM MotD

Coronal Holes


Today's Coronal Hole Properties
CHIMERA Number
Centroid
[Heliocentric]
Width
[°]
Area
[%]
< B >
[G]
< Φ >
[Mx]
1 W43N12
(652",208") 		W25-W56
(31) 		1.9 1.4 1.3e33
2 E64N27
(-778",442") 		E73-E50
(23) 		0.4 -3.5 -2.6e33
3 W15S61
(123",-856") 		W01-W19
(18) 		0.3 -0.4 -1.6e32

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 7-Dec-2013 20:35 UT .