14 January 2019
⇐20190113 ⇐Week ⇐Rotation Today Rotation⇒ Week⇒ 20190115⇒

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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 W22S52
(231",-723") 		E71-W44
(115) 		9.3 -0.7 -4.7e21
2 E15N17
(-242",356") 		E25-W05
(30) 		2.2 -0.1 -5.8e19
3 W40N64
(273",903") 		W01-W52
(51) 		0.8 0.7 2.6e21
4 E28N64
(-198",907") 		E59-E12
(47) 		0.6 0.7 1.3e21
5 W43S40
(510",-577") 		W38-W46
(8) 		0.1 -3.8 -2.3e20
6 E06S26
(-88",-356") 		E08-E04
(4) 		0.1 -2.7 -4.3e19
7 W40N04
(624",120") 		W38-W41
(3) 		0.1 -0.6 -1.6e19
8 W60S55
(484",-774") 		W53-W70
(17) 		0.1 -0.6 -9.6e19

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-Jan-2019 20:30 UT .