7 January 2017
⇐20170106 ⇐Week ⇐Rotation Today Rotation⇒ Week⇒ 20170108⇒

NOAA
1 Active Region
12623

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 W53S50
(498",-726") 		E75-W66
(141) 		7.8 -1.5 -1.8e34
5 E20S04
(-331",-8") 		E30-E06
(24) 		1.8 1.4 5.8e32
6 W51N11
(746",233") 		W45-W61
(16) 		0.2 -1.4 -2.4e32

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 7-Jan-2017 20:30 UT .