Half-hours with the stars; a plain and easy guide to the knowledge of the constellations, showing, in twelve maps, the position for the United States of the principal star groups night after night throughout the year; with introd. and a separate expl

by Richard A. Proctor

eng, Pages 60. Reprinted in 2015 with the help of original edition published long back. This book is in black & white, Hardcover, sewing binding for longer life with Matt laminated multi-Colour Dust Cover, Printed on high quality Paper, re-sized as per Current standards, professionally processed without changing its contents. As these are old books, there may be some pages which are blur or missing or black spots. We expect that you will understand our compulsion in these books. We found this book important for the readers who want to know more about our old treasure so we brought it back to the shelves. Hope you will like it and give your comments and suggestions. Half-hours with the stars; a plain and easy guide to the knowledge of the constellations, showing, in twelve maps, the position for the United States of the principal star groups night after night throughout the year; with introd. and a separate explanation of each map. True for every year. Maps and text specially prepared for American students [Hardcover], Proctor, Richard Anthony,

Hardcover

Published January 1, 2015

About the author

Richard Anthony Proctor (23 March 1837 in Chelsea, London – 12 September 1888) was an English astronomer.

He is best remembered for having produced one of the earliest maps of Mars in 1867 from 27 drawings by the English observer William Rutter Dawes.

His map was later superseded by those of Giovanni Schiaparelli and Eugène Antoniadi and his nomenclature was dropped (for instance, his "Kaiser Sea" became Syrtis Major Planum).

He used old drawings of Mars dating back to 1666 to try to determine the sidereal day of Mars. His final estimate, in 1873, was 24h 37m 22.713s, reasonably close to the modern value of 24h 37m 22.663s. Nevertheless, Frederik Kaiser's value of 24h 37m 22.622s is closer.

A crater on Mars is named after Proctor.