Josep Comas i Solà (Catalan pronunciation: [ʒuˈzɛp ˈkoməz i suˈla]; Barcelona 17 December 1868 – 2 December 1937) was a Catalan astronomer, discoverer of minor planets, comets, and double stars.[2][3][4][5] He wrote his first astronomy notes at the age of ten, and was only fifteen when he published an article in a French specialist magazine.[6] He observed planets including Mars and Saturn, measuring the rotation period of the latter.[7] In 1905, Solà received the Prix Jules Janssen, the highest award of the Société astronomique de France, the French astronomical society.In 1908 he claimed to observe limb darkening of Saturn's moon Titan, the first evidence that the body had an atmosphere.