Sahih MuslimChapter 4Hadith 866
Full Sharh — Sahih Muslim 866
وَحَدَّثَنَاهُ مُحَمَّدُ بْنُ الْمُثَنَّى، حَدَّثَنَا ابْنُ أَبِي عَدِيٍّ، عَنْ سَعِيدٍ، عَنْ قَتَادَةَ، بِهَذَا الإِسْنَادِ أَنَّهُ رَأَى نَبِيَّ اللَّهِ صلى الله عليه وسلم وَقَالَ حَتَّى يُحَاذِيَ بِهِمَا فُرُوعَ أُذُنَيْهِ .
English Translation
This hadith has been transmitted by Qatada with the same chain of transmitters that he saw the Messenger of Allah (ﷺ) doing this (i.e. raising his hands) till they were opposite the lobes of ears
Source
Sahih Muslim(صحيح مسلم)
The Book of Prayers
Hadith Number
866