Praecipuarum Stellarum Inerrantium Positiones Mediae Ineunte Saeculo Xix

A groundbreaking catalog of the positions of 798 fixed stars, based on observations made between 1792 and 1813 at the Palermo Astronomical Observatory by Italian astronomer Giuseppe Piazzi. This work, which pioneered new methods of observation and cataloging, remains a foundational reference in the field of astrometry.

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