Chapter: While offering the Istisqa' prayer, people should raise hands along with the Imam
The narrator Anas added that the Prophet (ﷺ) raised his hands (during the invocation) to such an extent that the whiteness of his armpits was visible.
Reference
Sahih al-Bukhari 1030
In-book reference
Book 15, Hadith 25
USC-MSA web (English)
Vol. 2, Book 17, Hadith 140
Translation by Dr. M. Muhsin Khan · Language: EN
Sahih
Arabic Text
وَقَالَ الأُوَيْسِيُّ حَدَّثَنِي مُحَمَّدُ بْنُ جَعْفَرٍ، عَنْ يَحْيَى بْنِ سَعِيدٍ، وَشَرِيكٍ، سَمِعَا أَنَسًا، عَنِ النَّبِيِّ صلى الله عليه وسلم أَنَّهُ رَفَعَ يَدَيْهِ حَتَّى رَأَيْتُ بَيَاضَ إِبْطَيْهِ.