22 November 2013
20131121 Week Rotation Today Rotation Week 20131123

NOAA
6 Active Regions

Flare Forecast

Coronal Holes


Today's Coronal Hole Properties
CHIMERA Number
Centroid
[Heliocentric]
Width
[°]
Area
[%]
< B >
[G]
< Φ >
[Mx]
1 E35N45
(-388",674")
E50-E03
(47)
0.8 1.2 6.9e32
2 E09N59
(-79",820")
E23-W11
(34)
0.6 -0.8 -5.0e32
3 W10N42
(121",622")
W01-W14
(13)
0.4 1.1 1.7e32
4 E16S04
(-274",-95")
E20-E09
(11)
0.2 -3.0 -1.4e32
5 E36N22
(-537",340")
E41-E32
(9)
0.1 4.6 2.0e32

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 22-Nov-2013 22:05 UT .