27 July 2014
⇐20140726 ⇐Week ⇐Rotation Today Rotation⇒ Week⇒ 20140728⇒

NOAA
6 Active Regions
12121
12123
12124
12125
12126
12122

Flare Forecast
Flare Forecast
MM MotD

Coronal Holes


Today's Coronal Hole Properties
CHIMERA Number
Centroid
[Heliocentric]
Width
[°]
Area
[%]
< B >
[G]
< Φ >
[Mx]
1 W22N57
(195",750") 		E08-W43
(51) 		2.2 -0.3 -5.7e32
2 W37S43
(417",-699") 		W22-W55
(33) 		0.7 -0.6 -4.6e32
3 W39S08
(586",-195") 		W32-W44
(12) 		0.7 -2.2 -7.0e32
4 E13S63
(-94",-876") 		E31-W12
(43) 		0.6 -0.3 -4.7e32
5 W13N41
(161",550") 		W07-W18
(11) 		0.1 -1.2 -5.8e31
6 W40S63
(269",-872") 		W36-W40
(4) 		0.1 -0.6 -2.6e32
7 W19S46
(216",-736") 		W17-W23
(6) 		0.1 -2.1 -9.4e31

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 27-Jul-2014 23:35 UT .