Sunan an-Nasa'i 1471

Ishaq ibn Ibrahim narrated to us; he said: Mu‘adh ibn Hisham narrated to us; he said: My father narrated to me, from Qatadah, concerning the prayer at the signs, from ‘Ata’, from ‘Ubayd ibn ‘Umayr, from ‘A’ishah, that the Prophet (peace and blessings be upon him) prayed with six bowings and four prostrations. I asked Mu‘adh, “Is this from the Prophet (peace and blessings be upon him)?” He said, “There is no doubt or uncertainty about it.”