15 August 2016
⇐20160814 ⇐Week ⇐Rotation Today Rotation⇒ Week⇒ 20160816⇒

NOAA
4 Active Regions
12574
12576
12577
12575

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 E13S57
(-113",-851") 		E61-W26
(87) 		2.4 -0.8 -3.3e33
2 W37N72
(174",871") 		E22-W72
(94) 		1.5 0.3 1.1e33
3 E28N27
(-396",334") 		E41-E13
(28) 		1.3 -2.4 -1.0e33
4 W38S30
(501",-547") 		W29-W44
(15) 		0.4 -0.7 -2.1e32
5 W45S22
(621",-420") 		W39-W52
(13) 		0.3 -1.0 -2.0e32

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 15-Aug-2016 23:31 UT .