4 May 2019
20190503 Week Rotation Today Rotation Week 20190505

NOAA
1 Active Region

Flare Forecast

Coronal Holes


Today's Coronal Hole Properties
CHIMERA Number
Centroid
[Heliocentric]
Width
[°]
Area
[%]
< B >
[G]
< Φ >
[Mx]
1 -461
(-641",W00S46")
56
(5.5e05)
-0.5 5.4 3.0e22
2 W11N70
(61",913")
E39-W52
(91)
0.6 1.3 3.2e21
3 E05N39
(-61",652")
E08-W04
(12)
0.2 -0.7 -7.3e19
4 E68S67
(-343",-865")
E80-E74
(6)
0.1 -1.3 -6.8e20

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-May-2019 22:00 UT .