25 June 2016
⇐20160624 ⇐Week ⇐Rotation Today Rotation⇒ Week⇒ 20160626⇒

NOAA
2 Active Regions
12556
12557

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 W44N23
(611",340") 		W33-W58
(25) 		1.6 -1.0 -9.2e32
2 E28N24
(-403",347") 		E40-E14
(26) 		1.2 2.3 9.5e32
3 W16S69
(91",-895") 		E61-W59
(120) 		1.0 0.3 9.6e32

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 25-Jun-2016 23:20 UT .