Difference between revisions of "July 25, 2009"

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=A Tangled Tale of Good Intentions=
 
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<em>image from [http://the-moon.wikispaces.com/Wesley+and+Blagg+Maps the Moon-Wiki]</em><br />
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<em>image from [https://the-moon.us/wiki/Wesley_and_Blagg_Maps the Moon-Wiki]</em><br />
 
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Do you lack basic drafting skills? So did Mary Blagg back in the 1930s, but she penciled the official lunar map for the International Astronomical Union that was the last graphical word on lunar nomenclature until the mid-1960s when the [http://www.lpod.org/?m=20071205 System of Lunar Craters] officially replaced it. Miss Blagg, as she was always referred to, was an indefatigable lunar nomenclature researcher. She had worked diligently to [http://the-moon.wikispaces.com/Collated+List identify and resolve differences] in names and letters given on different maps by 19th century lunar authorities, and the publication in 1935 of the <em>[http://the-moon.wikispaces.com/Named+Lunar+Formations Named Lunar Formations]</em> catalog and maps memorialized the sanity she brought to a confused situation. But as this excerpt of one the the NLF maps shows the maps she made were in some places difficult to decipher. This occasional ambiguity led those of us ([http://www.lpod.org/?page_id=1112 Dai Arthur], myself and other measuring assistants) compiling the <em>System of Lunar Craters</em> to sometimes abolish a NLF letter designation or more commonly to move it to a more conspicuous crater. Our decisions were based on the photographs of the <em>Photographic Lunar Atlas</em> of 1960, which was a vastly better resource than Miss Blagg had available. But those photographs were later supplanted by the far better vertical views of nearly the entire lunar surface by Lunar Orbiter IV, which Leif Andersson and I used to lead the recataloging and remapping of the nearside. Unfortunately, I went to Africa and Leif later died and the catalog and maps were never published in their entirety. Much of the date was published by  Andersson and Whitaker in the [http://the-moon.wikispaces.com/NASA+RP-1097 NASA Catalogue of Lunar Nomenclature], but the maps were lost. This latter catalog was the basis for the current lunar nomenclature, augmented with new names and some corrections, that appears on the USGS's [http://the-moon.wikispaces.com/USGS+Digital+Atlas Digital Atlas of the Moon]. This document is the first (mostly) unambiguous nomenclature map of the Moon ever published. <br />
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Do you lack basic drafting skills? So did Mary Blagg back in the 1930s, but she penciled the official lunar map for the International Astronomical Union that was the last graphical word on lunar nomenclature until the mid-1960s when the [[December_5,_2007|Digital Atlas of the Moon]]. This document is the first (mostly) unambiguous nomenclature map of the Moon ever published. <br />
 
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<em>[mailto:tychocrater@yahoo.com Chuck Wood]</em><br />
 
<em>[mailto:tychocrater@yahoo.com Chuck Wood]</em><br />
 
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<strong>Related Links</strong><br />
 
<strong>Related Links</strong><br />
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Rükl plate [http://the-moon.wikispaces.com/Rukl+74 74]<br />
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Rükl plate [https://the-moon.us/wiki/Rükl_74 74]<br />
 
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<p><b>Yesterday's LPOD:</b> [[July 24, 2009|Lavafall]] </p>
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<p><b>Tomorrow's LPOD:</b> [[July 26, 2009|Crater Systematics]] </p>
 
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Latest revision as of 17:49, 13 October 2018

A Tangled Tale of Good Intentions

LPOD-July25-09.jpg
image from the Moon-Wiki

Do you lack basic drafting skills? So did Mary Blagg back in the 1930s, but she penciled the official lunar map for the International Astronomical Union that was the last graphical word on lunar nomenclature until the mid-1960s when the Digital Atlas of the Moon. This document is the first (mostly) unambiguous nomenclature map of the Moon ever published.

Chuck Wood

Related Links
Rükl plate 74

Yesterday's LPOD: Lavafall

Tomorrow's LPOD: Crater Systematics

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