Project Gutenberg 2007-11-03 Public domain in the USA. 234 Proctor, Richard A. (Richard Anthony) 1837 1888 Proctor, Richard Anthony Proctor, R. A. (Richard Anthony) Half-Hours with the Stars A Plain and Easy Guide to the Knowledge of the Constellations Produced by Robert J. Hall "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.) Reading ease score: 71.1 (7th grade). Fairly easy to read. en Stars -- Atlases QB Text Browsing: Encyclopedias/Dictionaries/Reference Browsing: Science - Astronomy Category: Science - Earth/Agricultural/Farming Category: How To ... 94484 2025-06-09T16:09:02.376848 text/html 91321 2007-11-03T13:32:26 text/html; charset=iso-8859-1 10350582 2007-11-03T14:00:02 text/html; charset=iso-8859-1 application/zip 2924346 2025-06-09T16:09:22.977733 application/epub+zip 2924331 2025-06-09T16:09:12.509781 application/epub+zip 90774 2025-06-09T16:09:04.351811 application/epub+zip 819138 2025-06-09T16:09:25.529715 application/x-mobipocket-ebook 802680 2025-06-09T16:09:15.241777 application/x-mobipocket-ebook 183390 2022-09-11T04:54:34.700429 application/x-mobipocket-ebook 70360 2025-06-09T16:09:01.417867 text/plain; charset=us-ascii 70251 2007-11-03T13:32:26 text/plain; charset=iso-8859-1 22801 2007-11-03T14:00:00 text/plain; charset=iso-8859-1 application/zip 70263 2007-11-03T13:32:26 text/plain; charset=us-ascii 22777 2007-11-03T14:00:00 text/plain; charset=us-ascii application/zip 20229 2025-06-09T16:09:25.687701 application/rdf+xml 13152 2025-06-09T16:09:04.909816 image/jpeg 3515 2025-06-09T16:09:04.627800 image/jpeg 10421551 2025-06-09T16:09:02.490900 application/octet-stream application/zip Archives containing the RDF files for *all* our books can be downloaded at https://book.klll.cc/wiki/Gutenberg:Feeds#The_Complete_Project_Gutenberg_Catalog en.wikipedia