19 January 2016
20160118 Week Rotation Today Rotation Week 20160120



Today's Coronal Hole Properties
CHIMERA Number
Centroid
[Heliocentric]
Width
[°]
Area
[%]
< B >
[G]
< Φ >
[Mx]
1 E07S59
(-60",-792")
E81-W19
(100)
4.4 -1.8 -6.3e33
2 W21S33
(293",-464")
W13-W29
(16)
0.7 -7.1 -1.7e33
3 E55N35
(-649",600")
E73-E50
(23)
0.6 0.9 9.9e32
4 W18S17
(294",-216")
W17-W20
(3)
0.0 -4.0 -4.1e31

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 19-Jan-2016 21:35 UT .