He saw the Prophet ﷺ raise his hands when praying, when he bowed, when he raised his head from bowing, when he prostrated and when he raised his head from prostrating, until they were in level with the top part of his ears.  

أَنَّهُ رَأَى النَّبِيَّ ﷺ رَفَعَ يَدَيْهِ فِي صَلاَتِهِ وَإِذَا رَكَعَ وَإِذَا رَفَعَ رَأْسَهُ مِنَ الرُّكُوعِ وَإِذَا سَجَدَ وَإِذَا رَفَعَ رَأْسَهُ مِنَ السُّجُودِ حَتَّى يُحَاذِيَ بِهِمَا فُرُوعَ أُذُنَيْهِ  

He saw the Prophet ﷺ raise his hands, a similar report.  

أَنَّهُ رَأَى النَّبِيَّ ﷺ رَفَعَ يَدَيْهِ فَذَكَرَ مِثْلَهُ  

He saw the Prophet of Allah ﷺ raise his hands when he started to pray, and he narrated a similar report and added: "When he bowed he did likewise, and when he raised his head from bowing he did likewise, and when he raised his head from prostration he did likewise."  

أَنَّ نَبِيَّ اللَّهِ ﷺ كَانَ إِذَا دَخَلَ فِي الصَّلاَةِ فَذَكَرَ نَحْوَهُ وَزَادَ فِيهِ وَإِذَا رَكَعَ فَعَلَ مِثْلَ ذَلِكَ وَإِذَا رَفَعَ رَأْسَهُ مِنَ الرُّكُوعِ فَعَلَ مِثْلَ ذَلِكَ وَإِذَا رَفَعَ رَأْسَهُ مِنَ السُّجُودِ فَعَلَ مِثْلَ ذَلِكَ