11 October 2012
⇐20121010 ⇐Week ⇐Rotation Today Rotation⇒ Week⇒ 20121012⇒

NOAA
6 Active Regions
11585
11586
11587
11588
11589
11590

Flare Forecast
Flare Forecast
MM MotD

Coronal Holes


Today's Coronal Hole Properties
CHIMERA Number
Centroid
[Heliocentric]
Width
[°]
Area
[%]
< B >
[G]
< Φ >
[Mx]
1 W15S12
(247",-288") 		E15-W30
(45) 		5.3 1.1 1.4e33
2 E06N37
(-81",494") 		E20-W20
(40) 		1.9 -0.3 -1.7e32
3 E43N22
(-612",291") 		E50-E33
(17) 		0.9 -2.5 -1.1e33
4 E36N31
(-485",429") 		E39-E33
(6) 		0.1 -1.5 -9.6e31
5 E39N49
(-404",666") 		E41-E36
(5) 		0.1 -1.2 -1.0e32

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-Oct-2012 21:00 UT .