The Atlas recorded the entirety of Sun's emitted light from 296nm to 1300nm, but for the absorption spectrum above, that range was narrowed to the visible light range -- 400nm (purple) to 700nm (red).

IN the Transactions of the Chemical Society for August Messrs. Baly and Collie, referring to the previous work of Baly and Desch (Trans. Chem. Soc., 1904, lxxxv., 1029, and 1905, lxxxvii., 766) on ...