Caution: Translations of Quran and Ḥadīth may lead to possible misapplications and misinterpretations. This site is intended for students of sacred knowledge that are proficient in comprehending classical Arabic and have a strong foundation in Islamic sciences. Also note that religious injunctions rely on several aspects beyond what one may glean through reading individual aḥādīth.
nasai-kubra:480ʿAmr b. ʿAlī > Muʿādh b. Muʿādh > Shuʿbah > Fuḍayl b. Faḍālah > ʿAbd al-Raḥman b. Abū Bakrah from his father > Raʾá Nās Yuṣallūn al-Ḍuḥá

[Machine] Indeed, "This prayer is not the one that the Messenger of Allah ﷺ nor the majority of his companions used to perform."  

الكبرى للنسائي:٤٨٠أَخْبَرَنَا عَمْرُو بْنُ عَلِيٍّ قَالَ حَدَّثَنَا مُعَاذُ بْنُ مُعَاذٍ قَالَ حَدَّثَنِي شُعْبَةُ عَنْ فُضَيْلِ بْنِ فَضَالَةَ قَالَ حَدَّثَنِي عَبْدُ الرَّحْمَنِ بْنُ أَبِي بَكْرَةَ عَنْ أَبِيهِ أَنَّهُ رَأَى نَاسًا يُصَلُّونَ الضُّحَى فَقَالَ

إِنَّ «هَذِهِ الصَّلَاةَ مَا صَلَّاهَا رَسُولُ اللهِ ﷺ وَلَا عَامَّةُ أَصْحَابُهُ»