13 August 2017
20170812 Week Rotation Today Rotation Week 20170814

NOAA
1 Active Region

Flare Forecast

Coronal Holes


Today's Coronal Hole Properties
CHIMERA Number
Centroid
[Heliocentric]
Width
[°]
Area
[%]
< B >
[G]
< Φ >
[Mx]
1 (-430",567") 165 72 6.1e05 4.0e05
2 (217",-888") -928 19 8.8e04 6.4e03
3 (88",-923") -939 31 1.0e05 4.8e03
4 (754",-120") -148 7 5.2e03 2.2e03

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 13-Aug-2017 23:30 UT .