11 April 2022
⇐20220410 ⇐Week ⇐Rotation Today Rotation⇒ Week⇒ 20220412⇒

NOAA
4 Active Regions
12983
12982
12985
12987

Flare Forecast
Flare Prediction System
MM MotD

Coronal Holes


Today's Coronal Hole Properties
CHIMERA Number
Centroid
[Heliocentric]
Width
[°]
Area
[%]
< B >
[G]
< Φ >
[Mx]
1 E31N03
(-493",127") 		E59-W10
(69) 		8.5 0.5 7.2e20
2 E44N29
(-588",522") 		E51-E37
(14) 		0.7 3.6 6.8e20
3 W59S16
(795",-212") 		W51-W66
(15) 		0.3 -1.6 -1.6e20

Note: Solar Monitor's coronal hole segmentations are performed by CHIMERA, a copy of which is available at: github.com/TCDSolar/CHIMERA.

The operations of the CHIMERA algorithm is described in a peer reviewed paper: arxiv.org/abs/1711.11476.

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, and the region positions are valid on 11-Apr-2022 23:30 UT .