9 March 2019
⇐20190308 ⇐Week ⇐Rotation Today Rotation⇒ Week⇒ 20190310⇒

NOAA
1 Active Region
12734

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 E16S63
(-123",-802") 		E52-W88
(140) 		6.3 -0.8 -4.8e21
2 E24S25
(-361",-313") 		E41-E02
(39) 		4.4 -0.5 -6.8e20
3 W12N65
(86",919") 		E09-W27
(36) 		0.3 1.2 1.4e21
4 E42S41
(-490",-563") 		E50-E33
(17) 		0.2 -0.4 -5.6e19

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 9-Mar-2019 20:30 UT .