23 August 2016
⇐20160822 ⇐Week ⇐Rotation Today Rotation⇒ Week⇒ 20160824⇒

NOAA
3 Active Regions
12579
12580
12578

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 W05N70
(26",846") 		E82-W86
(168) 		2.5 0.7 2.6e33
2 W25S14
(397",-327") 		W10-W40
(30) 		2.0 -1.4 -9.5e32
3 E12S65
(-83",-900") 		E29-E01
(28) 		0.3 -1.0 -9.3e32
4 W26S67
(163",-909") 		W11-W47
(36) 		0.2 -0.8 -1.0e33
5 W11N08
(187",22") 		W10-W14
(4) 		0.1 -3.9 -6.8e31

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 23-Aug-2016 23:31 UT .