9 July 2012
⇐20120708 ⇐Week ⇐Rotation Today Rotation⇒ Week⇒ 20120710⇒

NOAA
6 Active Regions
11513
11515
11518
11519
11520
11521

Flare Forecast
Flare Forecast
MM MotD

Coronal Holes


Today's Coronal Hole Properties
CHIMERA Number
Centroid
[Heliocentric]
Width
[°]
Area
[%]
< B >
[G]
< Φ >
[Mx]
1 W17S30
(236",-518") 		E05-W31
(36) 		1.0 7.6 3.1e33
2 W32N26
(451",372") 		W20-W41
(21) 		1.0 2.4 9.7e32
3 W39S10
(585",-208") 		W33-W44
(11) 		0.5 -0.5 -1.2e32

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 9-Jul-2012 23:00 UT .