8 August 2017
⇐20170807 ⇐Week ⇐Rotation Today Rotation⇒ Week⇒ 20170809⇒

NOAA
1 Active Region
12670

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 -411
(-289",-455") 		6.9e04
(1.9) 		5.2 -8.2 -5.7e33
2 -325
(-205",31") 		2.8e04
(1.4) 		5.4 -8.8 -2.4e33
3 -49
(223",877") 		3.5e05
(1.0) 		6.6 -5.5 -1.9e34
4 347
(436",801") 		1.1e05
(0.3) 		6.4 -5.4 -6.2e33

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 8-Aug-2017 23:30 UT .