14 August 2020
⇐20200813 ⇐Week ⇐Rotation Today Rotation⇒ Week⇒ 20200815⇒

NOAA
2 Active Regions
12771
12770

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 E03S46
(-34",-755") 		E44-W36
(80) 		4.8 -0.6 -7.6e20
2 W05N70
(30",846") 		E88-W58
(146) 		3.5 1.4 1.7e21
3 E22N04
(-359",-31") 		E34-E05
(29) 		2.1 -0.0 -1.4e19
4 W13N13
(213",103") 		E02-W21
(23) 		1.4 0.2 4.6e19
5 W28S40
(338",-677") 		W21-W39
(18) 		0.3 -0.4 -2.9e19
6 W20N39
(251",508") 		W14-W24
(10) 		0.2 -0.7 -2.7e19
7 E28S46
(-307",-743") 		E31-E22
(9) 		0.2 -0.7 -3.4e19

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-Aug-2020 19:00 UT .