Sahih al-Bukhari 4866
صحيح البخاري#4866Sahihحَدَّثَنَا يَحْيَى بْنُ بُكَيْرٍ، قَالَ حَدَّثَنِي بَكْرٌ، عَنْ جَعْفَرٍ، عَنْ عِرَاكِ بْنِ مَالِكٍ، عَنْ عُبَيْدِ اللَّهِ بْنِ عَبْدِ اللَّهِ بْنِ عُتْبَةَ بْنِ مَسْعُودٍ، عَنِ ابْنِ عَبَّاسٍ ـ رضى الله عنهما ـ قَالَ انْشَقَّ الْقَمَرُ فِي زَمَانِ النَّبِيِّ صلى الله عليه وسلم.
Narrated Ibn `Abbas:The moon was cleft asunder during the lifetime of the Prophet
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Every narration in Sahih al-Bukhari is accepted as Sahih (authentic) by the established status of the book.
In-book reference: 65:387