Book of fixed stars al-sufi
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Abd al-Rahman al-Sufi is a well-known Muslim astronomer, who is also recognized by present-day space agencies. Due to this reason, a crater in the Moon has been named after him, called “Azophi”.
Al-Sufi’s name comes among the nine most famous Muslim astronomers who took lead to explore the sky.
His name appears with varying spellings like Abolfazen in Italian, and Azophi in Spanish.
Medieval astrologyHe revised most of Ptolemy’s star catalog and calculations.
Life Span – Biography
Abd al-Rahman al-Sufi was born on 7th December 903 in Rey, Iran. He studied astronomy and made great contributions to it throughout his life.
Al-Sufi lived at Buwayhid court in Isfahan. There he worked on translating and expanding Greek astronomical works, especially, the book ‘Almagest’ by Ptolemy. Also, He made many corrections to Ptolemy’s star catalog.
Al-Sufi’s measurements differed from Ptolemy’s work on various factors, such as brightness and magnitude.
Perhaps, It was due to a gap of 800 years between Ptolemy
