Sunan an-Nasa'i 962
سنن النسائي#962Sahihأَخْبَرَنَا مُحَمَّدُ بْنُ رَافِعٍ، قَالَ حَدَّثَنَا ابْنُ أَبِي فُدَيْكٍ، قَالَ أَنْبَأَنَا ابْنُ أَبِي ذِئْبٍ، عَنْ عَبْدِ الْعَزِيزِ بْنِ عَيَّاشٍ، عَنِ ابْنِ قَيْسٍ، - وَهُوَ مُحَمَّدٌ - عَنْ عُمَرَ بْنِ عَبْدِ الْعَزِيزِ، عَنْ أَبِي سَلَمَةَ، عَنْ أَبِي هُرَيْرَةَ، قَالَ سَجَدَ رَسُولُ اللَّهِ صلى الله عليه وسلم فِي { إِذَا السَّمَاءُ انْشَقَّتْ } .
It was narrated that Abu Hurairah said:"The Messenger of Allah (ﷺ) prostrated during: 'When the heaven is split asunder
Scholarly Authentication
The label above is the grade most of these scholars gave — one dissenting opinion no longer speaks for all of them. If any scholar calls a narration fabricated, that verdict is shown instead, whatever the others say. Each scholar's own wording:
Abu GhuddahSahih
Al-AlbaniSahih
Zubair Ali ZaiIsnaad Sahih
In-book reference: 11:87