Musannaf Ibn Abi Shayba 3:4666

Waki’ narrated to us, he said: Sufyan narrated to us, from ‘Awf, from Khilas ibn ‘Amr al-Hajari, from Ibn ‘Abbas, that he prayed and performed Qunut with them in the Fajr [prayer] in Basra, and he raised his hands until he extended his upper arms.