6 June 2017
⇐20170605 ⇐Week ⇐Rotation Today Rotation⇒ Week⇒ 20170607⇒

NOAA
1 Active Region
12661

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 -415
(-108",850") 		4.1e05
(2.5) 		5.7 -5.9 -2.4e34
2 -87
(250",-871") 		5.6e05
(1.5) 		5.2 -6.9 -3.9e34
3 403
(424",-292") 		1.4e03
(0.0) 		4.9 -7.9 -1.1e32

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 6-Jun-2017 23:30 UT .