6 May 2017
⇐20170505 ⇐Week ⇐Rotation Today Rotation⇒ Week⇒ 20170507⇒

NOAA
2 Active Regions
12654
12655

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 W02S64
(16",-829") 		E81-W76
(157) 		4.9 -1.1 -6.5e33
2 W07N60
(55",855") 		E52-W56
(108) 		2.9 0.7 3.3e33
3 E41N37
(-500",603") 		E49-E30
(19) 		0.6 0.3 1.7e32

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-May-2017 23:30 UT .