8 December 2015
⇐20151207 ⇐Week ⇐Rotation Today Rotation⇒ Week⇒ 20151209⇒

NOAA
4 Active Regions
12462
12463
12464
12465

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 W43N48
(449",720") 		E26-W73
(99) 		11.0 0.9 1.1e34
2 W11S15
(181",-256") 		E11-W35
(46) 		3.8 6.9 5.9e33
3 W48N04
(718",70") 		W37-W61
(24) 		1.3 1.5 1.2e33

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 8-Dec-2015 21:35 UT .