5 October 2013
⇐20131004 ⇐Week ⇐Rotation Today Rotation⇒ Week⇒ 20131006⇒

NOAA
6 Active Regions
11855
11856
11857
11858
11859
11854

Flare Forecast
Flare Forecast
MM MotD

Coronal Holes


Today's Coronal Hole Properties
CHIMERA Number
Centroid
[Heliocentric]
Width
[°]
Area
[%]
< B >
[G]
< Φ >
[Mx]
1 E41N26
(-571",341") 		E77-E19
(58) 		2.2 -4.7 -5.2e33
2 W22N61
(178",786") 		E02-W41
(43) 		1.6 0.3 4.6e32
3 E01S26
(-9",-514") 		E04-W04
(8) 		0.1 4.4 1.8e32

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 5-Oct-2013 23:35 UT .