29 June 2016
⇐20160628 ⇐Week ⇐Rotation Today Rotation⇒ Week⇒ 20160630⇒

NOAA
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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 E16S13
(-253",-252") 		E31-W05
(36) 		2.8 1.8 1.2e33
2 E02N62
(-14",812") 		E36-W19
(55) 		2.5 -0.5 -1.5e33
3 W32N22
(459",325") 		W25-W40
(15) 		0.3 -1.4 -1.8e32
4 E16S35
(-216",-574") 		E20-E12
(8) 		0.0 -2.1 -3.7e31

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 29-Jun-2016 23:20 UT .