Spectral absorptions:
Hydrogen: 410, 434, 486, 656 nm. Iron: 546 nm Methane 727 nm   
       
      
      
Solar spectrum showing faint absorbtion lines at 656 (hydrogen), 590 nm (sodium), 517 nm (iron, magnesium), 486 and 434 nm (hydrogen)
   
      
                
Source: Project STAR Spectrometer