24 February 2015
⇐20150223 ⇐Week ⇐Rotation Today Rotation⇒ Week⇒ 20150225⇒

NOAA
6 Active Regions
12287
12290
12292
12284
12289
12291

Flare Forecast
Flare Forecast
MM MotD

Coronal Holes


Today's Coronal Hole Properties
CHIMERA Number
Centroid
[Heliocentric]
Width
[°]
Area
[%]
< B >
[G]
< Φ >
[Mx]
1 E60S59
(-436",-791") 		E70-W61
(131) 		4.1 -1.7 -1.6e34
2 W38S13
(579",-118") 		W31-W49
(18) 		0.6 5.9 1.3e33

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 24-Feb-2015 22:35 UT .