9 December 2016
⇐20161208 ⇐Week ⇐Rotation Today Rotation⇒ Week⇒ 20161210⇒

NOAA
1 Active Region
12615

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 W27S31
(385",-504") 		E54-W60
(114) 		17.7 -1.3 -9.7e33
2 W59S21
(782",-354") 		W57-W62
(5) 		0.1 -3.0 -2.4e32
3 W45N17
(664",292") 		W44-W47
(3) 		0.0 -1.8 -4.2e31

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 9-Dec-2016 20:30 UT .