4 September 2017
20170903 Week Rotation Today Rotation Week 20170905



Today's Coronal Hole Properties
CHIMERA Number
Centroid
[Heliocentric]
Width
[°]
Area
[%]
< B >
[G]
< Φ >
[Mx]
1 W13N69
(78",840")
E90-W75
(165)
3.5 0.9 4.2e33
2 E29S23
(-420",-463")
E46-E06
(40)
1.6 -1.8 -1.3e33

Note: Solar Monitor's coronal hole segmentations are performed by CHIMERA, a copy of which is available at: github.com/solarmonitor/solarmonitoridl/idl. 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. The region positions are valid on 4-Sep-2017 19:30 UT .