It is narrated from Abu Hurayrah (may Allah be pleased with him) that Umar bin al-Khattab (may Allah be pleased with him) recited Surah al-Najm for them and prostrated in it, then he stood up and recited another surah.
Hadith Referenceالسنن الكبرى للبيهقي / كتاب الصلاة / 2463