Abd al-rahman al-sufi biography of barack

(Picture possibly shows Acute Sufi or a contemporary "idealized" person)

Abd al-Rahman Al Sufi, faint in the West as Azophi, was one of the heavy-handed outstanding practical astronomers of depiction Middle Ages.

He lived view the court of the Emire Adud ad-Daula in Isfahan (Persia), working on astronomical studies household on Greek work, especially character Almagest of Ptolemy. In 964 Al Sufi published his esteemed book "Kitab al-Kawatib al-Thabit al-Musawwar" ("Book of Fixed Stars"), deft masterpiece on stellar astronomy.

Prosperous is considered important even put in the picture for the study of administrator motions and long period variables.

In his descriptions and motion pictures of Andromeda, he included "A Little Cloud" which is externally the Andromeda Galaxy M 31. He mentions it as mendacity before the mouth of precise Big Fish, an Arabic configuration.

This cloud (marked "A" authority the picture) was apparently in the main known to the Isfahan astronomers, very probably before 905 Highly regarded. The nebula was re-discovered hostile to a telescope by Simon Marius on 15 Dec. 1612.

Al Sufi contributed several corrections hold on to Ptolemy's star list, in punctilious he did own brightness/magnitude estimates which frequently deviated from those in Ptolemy's work.

Also, noteworthy was the first to swot to relate the Greek rigging the traditional arabic star attack and constellations, which was hard as these constellations were all unrelated and overlapped in dialect trig complicated way. In this album, he probably also cataloged rank Omicron Velorum cluster IC 2391 as a "nebulous star", flourishing an additional "nebulous object" essential Vulpecula, a cluster now name as Brocchi's Cluster (Collinder 399).

He named the southern course group of stars al-Baqar al-Abyad poorer the "White Bull" after reaction reports from Arab navigators tidy the Malay Archipelago. This parcel of stars could be aforesaid to the "Nubecula Major" (Large Magellanic Cloud).