Mishkat al-Masabih 29 Excellent Qualities and Description of the Prophet كتاب الفضائل والشمائل 165

وَعنهُ قا ل: أُتِيَ النَّبِيُّ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ بِإِنَاءٍ وَهُوَ بِالزَّوْرَاءِ فَوَضَعَ يَدَهُ فِي الْإِنَاءِ فَجَعَلَ الْمَاءُ يَنْبُعُ مِنْ بَيْنِ أَصَابِعِهِ فَتَوَضَّأَ الْقَوْمُ قَالَ قَتَادَةُ: قُلْتُ لِأَنَسٍ: كَمْ كُنْتُمْ؟ قَالَ: ثلاثمائةٍ أَو زهاءَ ثلاثمائةٍ. مُتَّفق عَلَيْهِ

He told that the Prophet was brought a vessel when he was in az-Zaura’, and when he put his hand in the vessel the water began to spout between his fingers, and the people performed ablution. Qatada said he asked Anas how many were present, and he replied that there were three hundred, or, about three hundred. (Bukhari and Muslim.)