2 September 2014
⇐20140901 ⇐Week ⇐Rotation Today Rotation⇒ Week⇒ 20140903⇒

NOAA
5 Active Regions
12149
12150
12151
12152
12153

Flare Forecast
Flare Forecast
MM MotD

Coronal Holes


Today's Coronal Hole Properties
CHIMERA Number
Centroid
[Heliocentric]
Width
[°]
Area
[%]
< B >
[G]
< Φ >
[Mx]
1 E11N48
(-126",627") 		E50-W33
(83) 		9.8 0.5 2.3e33
2 E26S53
(-252",-815") 		E53-W05
(58) 		2.9 -1.3 -5.5e33
3 W35N28
(481",350") 		W32-W37
(5) 		0.1 6.8 2.5e32

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 2-Sep-2014 20:00 UT .