ABRAMOV John

Compiled by surviving horoscope entry Andronicus IV in Constantinople and the overthrow of the throne of his father, Emperor John V, 12 August 1376, Mr.. This horoscope shows that A. was a supporter of Andronicus. Preserved and the other composed of horoscopes with interpretations: horoscope messages Manuel II, his brother Andronicus, Emperor of Byzantium, 25 September 1373, Mr.. (with a long list of negative indicators of the card), . horoscope rich man, . friend of the Emperor, . born January 17, 1352, . horoscope of a noble Venetian ambassador, . born February 5, 1345, . political horoscope lunar eclipse on August 22, 1374, Mr.,
. (which sulyatsya various troubles to John V and for the people of Anatolia, the Turks), etc..

It is possible that A. - Is the same Abramov, who worked magic against John V in 1371, Mr.. A. was astrological advisor Andronicus IV, at least from 1373 to 1379, Mr.. We also know that A. was recognized by a doctor: in 1385, Mr.. He was sent to Alexandria, Egypt for treatment basileus. At the beginning of XV. A. attempted to correct the astronomical parameters on the basis of Ptolemy's own observations and knowledge of Islamic material translated into Greek by Gregory Hioniadom between 1298 and 1302, Mr..

A. became the founder of an astrological school, which flourished in 1370's - 1400-ies. This school has been great interest in the theory of eclipses, as indicated by surviving in a multitude of calculations of eclipses.

A. and his colleagues have copied and translated the astrological and astronomical works, and that their activities are important, since it survived a number of rare works. And Himself. belongs to the editorial board of Tetrabiblosa "Ptolemy, . editorial "Tsentilokviuma" pseudo-Ptolemy, . extensive compilation of "Hephaistionos tou Thebaion apotelesmatikon kai eteroon palaion" (contains excerpts from "Apotelesmatiki" Hephaestion, . several works of Theophilus of Edessa and works on medical astrology),
. The extensive work of Ahmad al-farce in 4 books, preserved only in the transfer of school A. Among the representatives of the school A. should allocate eleutheria Eleja and his disciple Dionysius. Their studies were continued closer to the middle of XV century. John Hortasmenom and Cardinal Isidore of Kiev.