11 July 2017
⇐20170710 ⇐Week ⇐Rotation Today Rotation⇒ Week⇒ 20170712⇒

NOAA
1 Active Region
12665

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 -63
(269",825") 		5.5e05
(2.9) 		6.2 -5.5 -3.0e34
2 -526
(-347",-478") 		6.7e04
(1.6) 		5.0 -7.9 -5.3e33
3 -381
(-338",401") 		9.6e03
(0.3) 		5.6 -9.0 -8.7e32

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 11-Jul-2017 23:30 UT .