Simak narrated on the authority of Jabir b. Samura that when the Messenger of Allah ﷺ observed the dawn prayer, he sat at the place of worship till the sun had risen enough.
أَنَّ النَّبِيَّ ﷺ كَانَ إِذَا صَلَّى الْفَجْرَ جَلَسَ فِي مُصَلاَّهُ حَتَّى تَطْلُعَ الشَّمْسُ حَسَنًا