
The book outlines a systematic approach to observing variable stars, emphasizing the importance of precise and consistent measurements. It discusses the need for a coordinated effort among astronomers to collect and analyze data on these stars, and proposes a plan for achieving this goal. The author details methods for selecting suitable stars, making observations, and recording data, as well as strategies for reducing errors and ensuring accuracy.
By Edward Charles Pickering · First published 1890 · Genre: Science, Astronomy, Non-fiction