11 January 2020
⇐20200110 ⇐Week ⇐Rotation Today Rotation⇒ Week⇒ 20200112⇒

NOAA
2 Active Regions
12756
12755

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 E09N41
(-111",696") 		E45-W24
(69) 		6.9 0.6 2.4e21
2 W14S63
(109",-837") 		E72-W41
(113) 		4.7 -0.9 -4.6e21
3 W19S14
(308",-169") 		E08-W31
(39) 		3.7 0.3 2.4e20
4 W46N02
(698",76") 		W41-W50
(9) 		0.2 -0.7 -6.8e19
5 E41S02
(-636",15") 		E45-E37
(8) 		0.1 -1.0 -5.0e19
6 W27S20
(416",-267") 		W25-W30
(5) 		0.0 -0.7 -1.0e19
7 W04N31
(63",562") 		W03-W07
(4) 		0.0 -0.9 -1.1e19

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-Jan-2020 20:30 UT .