6 December 2015
⇐20151205 ⇐Week ⇐Rotation Today Rotation⇒ Week⇒ 20151207⇒

NOAA
4 Active Regions
12462
12463
12464
12459

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 W23N44
(276",674") 		E40-W54
(94) 		20.5 1.0 1.3e34
2 E26S15
(-408",-253") 		E38-W06
(44) 		3.3 4.1 4.1e33

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-2015 21:35 UT .