(91) باب قَدْرِ كَمْ يَنْبَغِي أَنْ يَكُونَ بَيْنَ الْمُصَلِّي وَالسُّتْرَةِ
Narrated Sahl (bin Sa`d):
The distance between the Musalla of Allah's Messenger (ﷺ) and the wall was just sufficient for a sheep to pass through .
Reference: Sahih al-Bukhari 496
In-book reference: Book 8, Hadith 143
USC-MSA web (English) reference(deprecated numbering scheme): Vol. 1, Book 9, Hadith 475