3 January 2017
⇐20170102 ⇐Week ⇐Rotation Today Rotation⇒ Week⇒ 20170104⇒

NOAA
1 Active Region
12623

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 E08S45
(-97",-645") 		E71-W27
(98) 		18.8 -1.4 -1.2e34
3 W34S12
(533",-154") 		W29-W38
(9) 		0.5 -2.6 -4.1e32

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 3-Jan-2017 20:30 UT .