When the Messenger of Allah ﷺ prayed Fajr, he would remain seated in his place of prayer until the sun rose.
أخبرنا قتيبة بن سعيد قال حدثنا أبو الأحوص عن سماك
كان رسول الله ﷺ إذا صلى الفجر قعد في مصلاه حتى تطلع الشمس
Muslim narrated it in the Book of Mosques, chapter on the merit of sitting in one's prayer place after Fajr and the merit of mosques, h: 287/670, from Qutayba, with the same wording, and it is also in Al-Kubra, h: 1280.