24 August 2016
⇐20160823 ⇐Week ⇐Rotation Today Rotation⇒ Week⇒ 20160825⇒

NOAA
3 Active Regions
12578
12579
12580

Flare Forecast
Flare Prediction System
MM MotD

Coronal Holes


Today's Coronal Hole Properties
CHIMERA Number
Centroid
[Heliocentric]
Width
[°]
Area
[%]
< B >
[G]
< Φ >
[Mx]
1 W12N71
(61",857") 		E68-W31
(99) 		2.2 0.9 3.1e33
2 W38S13
(574",-294") 		W29-W52
(23) 		1.0 -1.3 -5.9e32
3 E38S05
(-584",-172") 		E43-E32
(11) 		0.5 1.1 2.1e32
4 W29S67
(175",-909") 		E07-W56
(63) 		0.4 -0.8 -2.3e33

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 24-Aug-2016 23:31 UT .