https://www2.lpod.org/index.php?title=December_4,_2021&feed=atom&action=historyDecember 4, 2021 - Revision history2024-03-29T15:23:46ZRevision history for this page on the wikiMediaWiki 1.31.1https://www2.lpod.org/index.php?title=December_4,_2021&diff=46269&oldid=prevApi: Created page with "__NOTOC__ =The Dawn of Walther= Originally published January 22, 2012 <!-- Start of content --> <!-- ws:start:WikiTextHeadingRule:0:<h1> --> <!-- ws:start:WikiTextL..."2021-12-04T09:05:06Z<p>Created page with "__NOTOC__ =The Dawn of Walther= Originally published January 22, 2012 <!-- Start of content --> <!-- ws:start:WikiTextHeadingRule:0:<h1> --> <!-- ws:start:WikiTextL..."</p>
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=The Dawn of Walther=<br />
Originally published January 22, 2012<br />
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<em>east up image by [mailto:c.zannelli@virgilio.it Carmelo Zannelli], Palermo, Italy</em><br /><br />
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This image depicts Walther as a place. It has a sunken floor of relative smoothness surrounded by a battered rim amidst a rugged terrain. There is a lot of history here. The ancient highlands crust was simply pummeled with crater on top of crater. Even Walther is old, older than the Imbrium Basin, but its floor shows a renewal that has covered blocky Imbrium ejecta and other craters. The smooth material is thick enough to cover what was there before except for hills east of the central peak. In the past this material might have been interpreted as lava flows, but there is so little evidence for volcanism in the highlands that other options are favored. The smooth material is probably fluidized ejecta from the Imbrium Basin impact, arriving later than rocky ejecta that made secondary craters. But regardless of the interpretations the image is magnificent.<br /><br />
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<em>[mailto:tychocrater@yahoo.com Chuck Wood]</em><br /><br />
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<strong>Technical Details</strong><br /><br />
Celestron C14 @ F/21 – Baader FFC multiplier – Baader Ir-685nm filter – Basler ACA1300gm camera – Seeing 5-6/10.<br /><br />
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<strong>Related Links</strong><br /><br />
Rükl plate [https://the-moon.us/wiki/R%C3%BCkl_65 65]<br /><br />
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<p><b>Yesterday's LPOD:</b> [[December 3, 2021|French Moon]] </p><br />
<p><b>Tomorrow's LPOD:</b> [[December 5, 2021|A Piece of the Moon]] </p><br />
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