13 March 2012
⇐20120312 ⇐Week ⇐Rotation Today Rotation⇒ Week⇒ 20120314⇒

NOAA
6 Active Regions
11428
11429
11430
11432
11433
11434

Flare Forecast
Flare Forecast
MM MotD

Coronal Holes


Today's Coronal Hole Properties
CHIMERA Number
Centroid
[Heliocentric]
Width
[°]
Area
[%]
< B >
[G]
< Φ >
[Mx]
1 E17S30
(-243",-378") 		E38-W08
(46) 		10.1 -2.0 -5.8e33

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 13-Mar-2012 22:00 UT .