28 November 2010
⇐20101127 ⇐Week ⇐Rotation Today Rotation⇒ Week⇒ 20101129⇒

NOAA
3 Active Regions
11127
11129
11130

Flare Forecast
Flare Forecast
MM MotD

Coronal Holes


Today's Coronal Hole Properties
CHIMERA Number
Centroid
[Heliocentric]
Width
[°]
Area
[%]
< B >
[G]
< Φ >
[Mx]
1 W21S59
(180",-845") 		E47-W31
(78) 		2.1 0.9 2.6e33
2 E10S15
(-170",-271") 		E19-W00
(19) 		1.5 0.1 4.7e31
3 E32S03
(-511",-77") 		E34-E29
(5) 		0.1 -4.9 -1.1e32
4 E07S41
(-95",-652") 		E10-E05
(5) 		0.0 -1.9 -3.9e31

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-Nov-2010 23:30 UT .