Jacob ben Isaac al-Corsono or Carsono or Carsi (also Abu Ishaq Ya'qub ibn Ishaq ibn Ya'qub, known as Ibn al-Qursunuh) was a Spanish astronomer of the fourteenth century.

He was commissioned by King Peter IV of Aragon

Peter IV of Aragon

Peter IV, , called el Cerimoniós or el del punyalet , was the King of Aragon, King of Sardinia and Corsica , King of Valencia , and Count of Barcelona Peter IV, (Balaguer, September 5, 1319 – Barcelona, January 6, 1387), called el Cerimoniós ("the Ceremonious") or el del punyalet ("the one...

 to translate from Catalan

Catalan language

Catalan is a Romance language, the national and only official language of Andorra and a co-official language in the Spanish autonomous communities of Catalonia, the Balearic Islands and Valencian Community, where it is known as Valencian , as well as in the city of Alghero, on the Italian island...

 into Hebrew

Hebrew language

Hebrew is a Semitic language of the Afroasiatic language family. Culturally, is it considered by Jews and other religious groups as the language of the Jewish people, though other Jewish languages had originated among diaspora Jews, and the Hebrew language is also used by non-Jewish groups, such...

 the astronomical tables known as The Tables of Don Pedro, which, at Don Pedro's command, had been begun by Maestre Piero Gilebert, and finished by Gilebert's pupil, Dalmacio de Planis.

About 1376 Carsono wrote at Seville a treatise in Arabic

Arabic language

Arabic is a name applied to the descendants of the Classical Arabic language of the 6th century AD, used most prominently in the Quran, the Islamic Holy Book...

 on the astrolabe

Astrolabe

An astrolabe is an elaborate inclinometer, historically used by astronomers, navigators, and astrologers. Its many uses include locating and predicting the positions of the Sun, Moon, planets, and stars, determining local time given local latitude and longitude, surveying, triangulation, and to...

. This he himself translated into Hebrew at Barcelona

Barcelona

Barcelona is the second largest city in Spain after Madrid, and the capital of Catalonia, with a population of 1,621,537 within its administrative limits on a land area of...

 in 1378. Chayyim ibn Musa ascribes kabbalistic

Kabbala

Kabbala may refer to:*Kabbalah, is a religious philosophical system claiming an insight into divine nature*Sefer ha-Qabbalah by Abraham ibn Daud*Kabbala Denudata , a book from Christian Knorr von Rosenroth, a Christian Hebraist...

 miracles to Carsono.

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