24 July 2016
⇐20160723 ⇐Week ⇐Rotation Today Rotation⇒ Week⇒ 20160725⇒

NOAA
4 Active Regions
12565
12567
12568
12569

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 E24N53
(-232",703") 		E45-E01
(44) 		4.0 -0.1 -2.3e32
2 E28S10
(-441",-246") 		E44-E16
(28) 		2.8 1.8 1.7e33
3 W14N22
(218",276") 		E01-W22
(23) 		1.1 -1.7 -4.6e32
4 W19S05
(304",-169") 		W13-W25
(12) 		0.3 -2.4 -1.6e32
5 W31S16
(475",-324") 		W25-W37
(12) 		0.2 3.9 3.7e32
6 W19S17
(302",-354") 		W16-W23
(7) 		0.1 12.6 4.6e32
7 W29S07
(451",-188") 		W27-W31
(4) 		0.0 -5.5 -8.0e31

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 24-Jul-2016 23:20 UT .