19 September 2019
20190918 Week Rotation Today Rotation Week 20190920

NOAA
0 Active Regions

Flare Forecast

Coronal Holes


Today's Coronal Hole Properties
CHIMERA Number
Centroid
[Heliocentric]
Width
[°]
Area
[%]
< B >
[G]
< Φ >
[Mx]
1 W18N72
(94",865")
E82-W88
(170)
2.8 1.1 1.1e21
2 W21S55
(197",-843")
E45-W43
(88)
2.2 -0.5 -4.3e20
3 E12S04
(-201",-178")
E19-W02
(21)
1.6 -1.9 -4.9e20
4 W14N15
(226",131")
W12-W17
(5)
0.1 1.0 1.7e19

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 19-Sep-2019 23:40 UT .