14 May 2018
⇐20180513 ⇐Week ⇐Rotation Today Rotation⇒ Week⇒ 20180515⇒

NOAA
2 Active Regions
12709
12708

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 E10S23
(-159",-333") 		E38-W28
(66) 		8.4 -0.3 -5.5e32
2 E42S71
(-210",-883") 		E65-W18
(83) 		0.9 -1.1 -3.5e33
3 W18N68
(108",898") 		E26-W64
(90) 		0.7 0.9 2.1e33
4 E23S48
(-253",-673") 		E26-E20
(6) 		0.1 2.1 1.0e32

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 14-May-2018 15:30 UT .