22 October 2019
⇐20191021 ⇐Week ⇐Rotation Today Rotation⇒ Week⇒ 20191023⇒

NOAA
0 Active Regions

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 W05N12
(88",117") 		E23-W30
(53) 		13.9 0.7 1.4e21
2 -400
(852",W00N67") 		148
(1.0e05) 		0.9 3.9 3.9e21
3 E66S18
(-836",-330") 		E71-E61
(10) 		0.1 -0.7 -1.8e19
4 E14S03
(-225",-142") 		E15-E12
(3) 		0.0 -0.9 -5.7e18
5 E24N08
(-384",59") 		E26-E22
(4) 		0.0 -0.9 -5.7e18

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 22-Oct-2019 23:40 UT .