6 December 2018
⇐20181205 ⇐Week ⇐Rotation Today Rotation⇒ Week⇒ 20181207⇒

NOAA
1 Active Region
12729

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 W18S07
(298",-119") 		E18-W43
(61) 		15.1 -0.6 -2.1e21
2 E14S48
(-153",-732") 		E73-W10
(83) 		6.3 -0.6 -2.3e21
3 E37N69
(-213",906") 		E75-W23
(98) 		1.3 1.0 4.7e21
4 W24N13
(388",222") 		W21-W28
(7) 		0.1 -0.8 -2.4e19
5 E24S44
(-288",-682") 		E26-E23
(3) 		0.0 -1.3 -4.1e19

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 6-Dec-2018 20:30 UT .