Parallaxes of 260 Stars, Derived From Photographs Made at the Leander McCormick Observatory

A scientific report detailing the parallax measurements of 260 stars, observed and recorded using the Leander McCormick Observatory's advanced photographic equipment. Written by astronomer and observatory founder S. A. McCormick, this report is a groundbreaking contribution to the field of observational astronomy. With detailed charts and diagrams, this work is an essential resource for any astronomer or student of astronomy.

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