Abu abdallah Muhammad ibn Ibrahim al-Fazari was a Muslim philosopher, mathematician and astronomer. He is not to be confused with his father Ibrhm al-Fazr, also an astronomer and mathematician.

Brass astrolabe by Muhammad al-Fazari in the 8th century.

Brass astrolabe by Muhammad al-Fazari in the 8th century.
Earliest surviving astrolabe in 315 AH (927-928 CE).
Mechanical geared astrolabe by Ibn Samh (c. 1020).
Navigational astrolabe was invented in the Islamic world. It employed the use of a polar projection system.
In the 10th century, al-Sufi first described over 1000 different uses of an astrolabe, including uses in astronomy, astrology, horoscopes, navigation, surveying, timekeeping, Qibla, Salah, etc.
Orthographical astrolabe by Abu Rayhan al-Biruni in the 11th century.
Saphaea, a universal astrolabe for all latitudes, by Abu Ishaq Ibrahim al-Zarqali (Arzachel) in 11th century Islamic Spain.
Zuraqi, a heliocentric astrolabe where the Earth is in motion rather than the sky, by al-Sijzi in the 11th century.
Linear astrolabe ("staff of al-Tusi") by Sharaf al-Din al-Tusi in the 12th century.