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Loading contentAl-Sufi's revision of Ptolemy's star catalogue against his own observations, with constellation drawings and corrected magnitudes. It contains the earliest known record of the Andromeda Galaxy and preserves many traditional Arabic star names.
Facts on this topic will be cited from these primary and reference sources.
General reference for the history of astronomy, biographies, and cultural context.
Official naming, definitions, constellation boundaries, and astronomical nomenclature.