Half-Hours with the Stars: A Plain and Easy Guide to the Knowledge of the Constellations

"Half-Hours with the Stars" by Richard A. Proctor is a scientific publication written in the early 20th century. This book serves as a plain and easy guide for learners interested in the knowledge of constellations, presenting detailed maps intended specifically for American students. The primary topic is astronomy, particularly the identification and understanding of star groups visible in the night sky throughout the year. The content includes twelve maps that show the positions of the principal constellations as seen from the United States on specific nights and times of the year. Each map is designed for practical use, allowing beginners to locate various star groups and understand their changes in appearance as the seasons progress. Proctor provides explanations of how to use the maps effectively, guiding readers through key constellations and significant stars, while also emphasizing the importance of certain reference points like the Pole Star for navigation in the night sky. Overall, the book aims to demystify the heavens, making the vast realm of stars accessible to amateur astronomers and enthusiasts alike. (This is an automatically generated summary.)