19 October 2016
⇐20161018 ⇐Week ⇐Rotation Today Rotation⇒ Week⇒ 20161020⇒

NOAA
2 Active Regions
12600
12602

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 E56N60
(-402",804") 		E82-W03
(85) 		2.3 0.8 4.0e33
2 E65N26
(-791",379") 		E68-E52
(16) 		0.8 1.5 2.1e33
3 W15S26
(229",-498") 		W12-W19
(7) 		0.1 -1.6 -3.5e31
4 W03S20
(54",-413") 		W01-W05
(4) 		0.0 3.8 4.8e31

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 19-Oct-2016 11:30 UT .