28 February 2015
⇐20150227 ⇐Week ⇐Rotation Today Rotation⇒ Week⇒ 20150301⇒

NOAA
6 Active Regions
12290
12293
12294
12289
12291
12292

Flare Forecast
Flare Forecast
MM MotD

Coronal Holes


Today's Coronal Hole Properties
CHIMERA Number
Centroid
[Heliocentric]
Width
[°]
Area
[%]
< B >
[G]
< Φ >
[Mx]
1 E10S58
(-91",-757") 		E74-W88
(162) 		8.4 -2.0 -1.2e34
2 W11N21
(180",453") 		W07-W16
(9) 		0.4 -1.8 -2.2e32
3 E55S04
(-797",9") 		E60-E52
(8) 		0.1 8.8 9.7e32

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 28-Feb-2015 22:35 UT .