The labels in the main maps include all official feature names falling within the area displayed, with the exception of the lettered craters -- whose positions are shown only on the supplemental maps shown later on the page. However, LTVT can only plot one name at a given pixel location and there are a few cases where two names are assigned identical IAU coordinates for example, a crater and a rima named after it , and others where they are so close they fall on the same pixel at the map scale for example, many Apollo landing site names and IAU-approved minor feature names that originated on the highly detailed NASA topophotomaps. In such cases only the first name in the IAU list that appears at a given pixel location is printed on the map. Although some names are missing for this reason, it is important to understand that since the program is told to print every name, the absence of any name or mark at a given location indicates that the feature at that position has no IAU-approved name. The text list following the map includes all names whether they are printed on the map or not. Yellow dots indicate non-crater features.

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In recent years, printed maps of this sort have been somewhat supplanted by electronic products which are generally more flexible, and can be more easily updated to reflect changes in the official nomenclature and avoid inadvertent errors. Not only is the nomenclature not always complete or reliable, but in the process of artistic interpretation certain features are emphasized and others lost. The maps in the Hamlyn Atlas were preceded by a set of six Maps of the Lunar Hemispheres, published in , which covered the entire Moon in orthographic views, but in less detail.

This map labels most primary and selected satellite features. It uses the pre-Latinized names " Alpine Valley ", etc. A similar set see attachments to discussion of maps is published in German as the Kleiner Mondatlas not to be confused with the work of the same name by Debes. From north to south there are eight rows of maps. The rows vary in length from seven maps per row at the north and south poles, to nine maps per row immediately "below" the polar rows, and eleven maps per row in the remaining four rows.

The rectangular maps are assigned consecutive Arabic numbers from "1" to "76". There appear to be eight small areas that fall outside the formally defined rectangles, and which are depicted as extensions of the horizontally adjacent zones.

All of the historical disallowed names from van Langren, Hevelius, and Riccioli are also included!


R√ľkl Index Map


22TCN 332-06 PDF




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