The first spectra of Uranus were observed through a prism in 1869 and 1871 by Angelo Secchi and William Huggins, who found a number of broad dark bands, which they were unable to identify.
První spektrum Uranu pozorovali v roce 1871 Angelo Secchi a William Huggins, který našel celou řadu širokých tmavých pruhů, které nebyl schopen identifikovat.