14 October 2020
⇐20201013 ⇐Week ⇐Rotation Today Rotation⇒ Week⇒ 20201015⇒

NOAA
2 Active Regions
12774
12775

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 E01N69
(-8",859") 		E84-W60
(144) 		3.2 1.0 1.1e21
2 W17N09
(273",60") 		W07-W26
(19) 		1.5 -0.3 -6.5e19
3 E39S25
(-544",-477") 		E49-E29
(20) 		0.7 -0.8 -1.3e20
4 E19S64
(-140",-901") 		E47-W20
(67) 		0.7 -0.6 -2.0e20
5 E02S10
(-33",-267") 		E05-W01
(6) 		0.2 -1.3 -3.8e19
6 W48N17
(684",217") 		W43-W52
(9) 		0.1 1.1 3.1e19
7 E46S61
(-337",-869") 		E58-E38
(20) 		0.1 -0.3 -1.9e19
8 W34N32
(457",443") 		W31-W38
(7) 		0.1 -1.6 -2.5e19
9 W25N10
(409",73") 		W23-W27
(4) 		0.1 2.7 3.5e19

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-Oct-2020 23:30 UT .