5 December 2018
⇐20181204 ⇐Week ⇐Rotation Today Rotation⇒ Week⇒ 20181206⇒

NOAA
0 Active Regions

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 E06S24
(-94",-407") 		E32-W33
(65) 		24.2 -0.6 -3.6e21
2 E32N67
(-199",898") 		E72-W04
(76) 		1.0 0.9 2.7e21
3 W37N69
(210",908") 		W32-W43
(11) 		0.1 1.9 6.0e20

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 5-Dec-2018 20:30 UT .