مُسْنَدُ أَحْمَدَ
Musnad Ahmad 2886
Musnad of 'Abdullah bin al-'Abbas bin 'Abdul-Muttalib from the Prophet
It was narrated that Ibn Abbas (رضي الله عنه) said: I saw the Prophet (ﷺ) prostrating with his arms spread so wide that I could see the whiteness of his armpits.
Musnad Ahmad 2907Saheeh because of corroborating evidence; this is a da’eef i