Yahya related to me from Malik from Ibn Shihab from al-Araj thatUmar ibn al Khattab recited Surat an-Najm (Sura 53) and prostrated init, and then got up and recited another sura. (DE)
USC-MSA web (English) reference: Book 15, Hadith 15 (DE)
Arabic reference (DE): Book 15, Hadith 487 (DE)