Video Orientation to the University of Pennsylvania Library's LJS 57 - Astronomical anthology.

A collection of astronomical texts, including a copy of a treatise on the calendar originally compiled for Pedro IV, King of Aragon, with an almanac of oppositions and conjunctions of the sun and moon and predictions of lunar and solar eclipses; four short works by the 12th-century scientist Abraham Ibn Ezra on an introduction to astrology, choosing the most auspicious moment for a given activity, the zodiac, and astrology concerning humankind collectively; and a Hebrew translation of Ptolemy's Almagest, with numerous tables, diagrams, and illustrations.

Written in Catalonia, ca. 1361.

Record in Franklin, with link to digital copy: https://franklin.library.upenn.edu/catalog/FRANKLIN_9948521743503681
Record in Internet Archive, with link to PDF: https://archive.org/details/ljs57/