15 January 2013
⇐20130114 ⇐Week ⇐Rotation Today Rotation⇒ Week⇒ 20130116⇒

NOAA
6 Active Regions
11649
11650
11652
11654
11656
11658

Flare Forecast
Flare Forecast
MM MotD

Coronal Holes


Today's Coronal Hole Properties
CHIMERA Number
Centroid
[Heliocentric]
Width
[°]
Area
[%]
< B >
[G]
< Φ >
[Mx]
1 W03N63
(20",900") 		E14-W19
(33) 		0.5 0.4 4.3e32
2 W46S73
(202",-915") 		W20-W76
(56) 		0.5 1.0 1.8e33
3 E04N27
(-57",510") 		E07-W02
(9) 		0.2 3.0 2.1e32
4 E06S35
(-85",-498") 		E09-E02
(7) 		0.1 -3.3 -1.1e32

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 15-Jan-2013 22:00 UT .