10 March 2020
⇐20200309 ⇐Week ⇐Rotation Today Rotation⇒ Week⇒ 20200311⇒

NOAA
1 Active Region
12758

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 W16S67
(102",-837") 		E84-W58
(142) 		5.2 -1.2 -7.3e21
2 E19S10
(-304",-49") 		E33-W10
(43) 		4.4 -0.2 -1.7e20
3 W03N16
(43",381") 		E10-W15
(25) 		4.0 -0.1 -7.3e19
4 W04N55
(34",852") 		E40-W31
(71) 		1.6 0.7 1.5e21
5 W47S36
(572",-500") 		W43-W50
(7) 		0.1 -0.9 -5.7e19

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 10-Mar-2020 20:30 UT .