This volume gathers the Royal Astronomical Society’s discussions, observations, and reports from the year, presenting how scientists tested ideas, shared results, and advanced equipment.

See how pioneering spectroscope work was evaluated, including hands-on assessments of new designs and the differences between practical use and mathematical perfection.
Learn about solar and atmospheric studies, from corona observations during eclipses to methods for separating solar from terrestrial effects.
Read summaries of asteroid, planetary, and minor planet observations, along with debates over telescope performance and measurement accuracy.
Follow the Society’s meetings, papers, and correspondence that shaped 19th‑century astronomy.

Ideal for readers of historical science, amateur observers, and anyone curious about how astronomical knowledge progressed in the 1870s.

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