8 December 2018
⇐20181207 ⇐Week ⇐Rotation Today Rotation⇒ Week⇒ 20181209⇒

NOAA
1 Active Region
12729

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 W35S41
(419",-646") 		E68-W57
(125) 		12.7 -0.4 -4.0e21
2 E25N69
(-148",912") 		E68-W63
(131) 		1.2 1.1 4.2e21
3 W38N19
(562",324") 		W35-W40
(5) 		0.1 -0.7 -2.0e19
4 W14N27
(213",451") 		W13-W16
(3) 		0.0 -1.4 -1.6e19

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 8-Dec-2018 20:30 UT .