3 February 2020
20200202 Week Rotation Today Rotation Week 20200204

NOAA
1 Active Region

Flare Forecast

Coronal Holes


Today's Coronal Hole Properties
CHIMERA Number
Centroid
[Heliocentric]
Width
[°]
Area
[%]
< B >
[G]
< Φ >
[Mx]
1 W07S57
(64",-757")
E72-W65
(137)
8.6 -0.9 -5.4e21
2 W19S06
(320",-1")
E24-W50
(74)
7.5 -0.1 -1.6e20
3 E51N22
(-705",430")
E60-E45
(15)
0.5 0.8 3.7e20

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 3-Feb-2020 20:30 UT .