Abu Uthman al-Nahdi said: We used to come to pray while Sayyiduna Umar (may Allah be pleased with him) was leading the people in prayer; then he would recite the qunut after the bowing, raising his hands so high that his palms became visible, and he would keep his arms spread out.
Hadith Referenceالسنن الكبرى للبيهقي / كتاب الصلاة / 3148
Hadith Gradingمحدثین:حسن لغيره
Hadith Takhrij«حسن لغيره۔ اخرجه البخاري في رفع اليدين 94»