The Catalog of Planetary Maps.
Sources: The research that led to this catalog was supported by Fulbright Hungary Grant No. 1222202, awarded to H. Hargitai for research at USGS Astrogeology, Flagstaff, Arizona (advisor: Trent Hare), and by the ICA Commission on Planetary Cartography (advisor: Kira Shingareva). Most of the data is based on the inventory of the map library of USGS Astrogeology.
Copyright and Use Notice: Published U.S. Geological Survey and U.S. Air Force maps are generally in the public domain. Some maps reproduced or displayed on this site may be protected by copyright.
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Photos: Unless otherwise indicated, all photographs are by H. Hargitai. Several photographs are from the USGS Astrogeology Map Library and Lowell Observatory, both in Flagstaff, Arizona. Several photographs of Soviet maps were taken at MIIGAiK, Moscow.
Contact: The catalog is curated by H. Hargitai, ELTE, Budapest, hargitai.henrik@btk.elte.hu.
Ginn Moon Map
Scale 1: 6 500 000
Moon — map
1966-67
Ross, Herbert S.
https://collections.lib.uwm.edu/digital/collection/agdm/id/21287/
For each moon formation listed in the Index, a horizontal and a vertical coordinate are given. Use these coordinates — as you would those on a road map — to locate the formation on the key map. Then find the feature on the moon drawing by inspection. In almost every instance, a crater name on the key map originates in the crater; but occasionally an arrow will indicate its position. The names of mares, mountains, and physiographic divisions lie within the area.
Sources and credits
Base map: United States Air Force A.C.I.C. Lunar Reference Mosaic, LEM1
References: Lick Observatory photographs. Photographic Lunar Atlas, edited by G. P. Kuiper (Copyright 1960, University of Chicago).
Your guide to the Moon
This map, drawn by Herbert S. Ross of Walpole, Massachusetts, provides an accurate guide to surface features of the moon. Many of the features shown may be seen easily through a small telescope or good binoculars (7 × 50). For most purposes, the best time to look at the moon is between six and ten days after the crescent phase.
The drawing represents an orthographic projection on a scale of 1:6,500,000. This scale is 21 inches (or 53.34 centimeters) to the lunar diameter. On the map, therefore, one inch equals about 103 miles (or 165 kilometers); and one centimeter equals about 41 miles (or 66 kilometers). These proportions may be used to estimate the diameters of craters and other distances near the center of the map. Remember, however, that an orthographic projection of a sphere portrays the sphere in true perspective from an infinite distance. The scale is true only at the center of the map and radially around its circumference. As the moon’s surface curves away from the center, an inch or a centimeter on the map equals an increasingly larger number of miles.