11 January 2012
⇐20120110 ⇐Week ⇐Rotation Today Rotation⇒ Week⇒ 20120112⇒

NOAA
3 Active Regions
11391
11393
11395

Flare Forecast
Flare Forecast
MM MotD

Coronal Holes


Today's Coronal Hole Properties
CHIMERA Number
Centroid
[Heliocentric]
Width
[°]
Area
[%]
< B >
[G]
< Φ >
[Mx]
1 E24N12
(-381",270") 		E30-E16
(14) 		1.4 -8.4 -3.5e33
2 W28S24
(415",-336") 		W17-W38
(21) 		0.8 4.3 1.2e33
3 W04S80
(10",-948") 		E34-W43
(77) 		0.1 1.5 1.0e33
4 E07N11
(-111",251") 		E08-E05
(3) 		0.1 -1.9 -2.6e31
5 E13N11
(-214",249") 		E15-E12
(3) 		0.0 -2.5 -2.2e31

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 11-Jan-2012 22:00 UT .