MDI Continuum
MDI Longitudinal Magnetic Field
THEMIS NOAA 808 320*107 arcsec Vector Magnetic Field in observer coordinates (Fe I 6302.5)
H_alpha
Continuum near Fe I 6302.5
Polar angle between magnetic field and line-of-sight
Magnetic field angle with respect to the plane of the sky
x,y: map; z: local average magnetic field strength
