10 March 2017
⇐20170309 ⇐Week ⇐Rotation Today Rotation⇒ Week⇒ 20170311⇒

NOAA
0 Active Regions

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 E20N49
(-220",801") 		E62-W29
(91) 		3.4 0.8 2.8e33
2 W21S70
(118",-859") 		E69-W88
(157) 		3.3 -1.4 -6.7e33
3 W05S28
(76",-343") 		W02-W08
(6) 		0.2 -1.6 -8.1e31

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 10-Mar-2017 20:30 UT .