Musannaf Ibn Abi Shayba 3:4628

Waki’ narrated to us, he said: Abu al-Ashhab Ja’far ibn Hayyan and Qurrah ibn Khalid narrated to us, both of them heard it from Abu Raja’ al-‘Utaridi, who said: Ibn Abbas led us in the Fajr prayer in Basra, and he performed the Qunut.