Sunan Abi Dawud 1181
سنن أبي داود#1181Sahihحَدَّثَنَا أَحْمَدُ بْنُ صَالِحٍ، حَدَّثَنَا عَنْبَسَةُ، حَدَّثَنَا يُونُسُ، عَنِ ابْنِ شِهَابٍ، قَالَ كَانَ كَثِيرُ بْنُ عَبَّاسٍ يُحَدِّثُ أَنَّ عَبْدَ اللَّهِ بْنَ عَبَّاسٍ، كَانَ يُحَدِّثُ أَنَّ رَسُولَ اللَّهِ صلى الله عليه وسلم صَلَّى فِي كُسُوفِ الشَّمْسِ مِثْلَ حَدِيثِ عُرْوَةَ عَنْ عَائِشَةَ عَنْ رَسُولِ اللَّهِ صلى الله عليه وسلم أَنَّهُ صَلَّى رَكْعَتَيْنِ فِي كُلِّ رَكْعَةٍ رَكْعَتَيْنِ .
Narrated Abd Allah b. 'Abbas:The Messenger of Allah (ﷺ) prayed at the solar eclipse as reported in the tradition narrated by 'Urwah from Aishah from the Messenger of Allah (ﷺ) that he offered two rak'ahs of prayer bowing twice in each rak'ah
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:
In-book reference: 3:21