11 April 2020
⇐20200410 ⇐Week ⇐Rotation Today Rotation⇒ Week⇒ 20200412⇒

NOAA
1 Active Region
12759

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 W00S06
(7",4") 		E24-W22
(46) 		8.9 -0.1 -1.4e20
2 W02S70
(9",-862") 		E74-W79
(153) 		3.0 -1.2 -5.7e21
3 E30N14
(-466",306") 		E43-E15
(28) 		1.5 -0.1 -5.8e19
4 W27N62
(205",882") 		W04-W41
(37) 		0.8 0.4 9.9e20
5 E17N25
(-258",486") 		E22-E13
(9) 		0.1 -1.5 -5.3e19
6 W43N04
(654",139") 		W41-W46
(5) 		0.0 -0.6 -1.2e19

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-Apr-2020 19:30 UT .