Difference between revisions of "February 26, 2010"

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<td><em>image by [mailto:TWILIGHTALLEHOUSE@hotmail.es" rel="nofollow Israel Tejera Falcón], Vecindario, Las Palmas (Canary islands), Spain</em><br />
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<td><em>image by [mailto:TWILIGHTALLEHOUSE@hotmail.es Israel Tejera Falcón], Vecindario, Las Palmas (Canary islands), Spain</em><br />
 
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This gray tones of this image remind me of the hues of the nearly 100 year old <em>Paris Atlas</em> prints. But I doubt that those photographers ever dreamed that a lunar image could be this good. In this, his first submission to LPOD, Israel demonstrates the value of high resolution, high Sun imaging. The floor features of Alphonsus and Arzachel are well known from lower illumnation [http://www.lpod.org/?m=20060916" rel="nofollow views], and here when the Sun is higher in the sky, some of the remaining details become visible. For example, the largest crater, A, on the floor of Arzachel has an off-center peak on its floor that generally isn't visible because of shadowing. This lighting also makes me wonder about the 3-5 crater-long chain at the 5 o'clock position on the rim of Alphonsus. It looks like the chain - secondaries from the formation of the Imbrium Basin - originally may have continued northward, but is now covered by the smooth material on the crater's floor. If that is true, then the floor material was emplaced after the Imbrium sculpture. Of course, it may simply have been only a few minutes later, a slower surge of fluidized debris.<br />
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This gray tones of this image remind me of the hues of the nearly 100 year old <em>Paris Atlas</em> prints. But I doubt that those photographers ever dreamed that a lunar image could be this good. In this, his first submission to LPOD, Israel demonstrates the value of high resolution, high Sun imaging. The floor features of Alphonsus and Arzachel are well known from lower illumnation [http://www.lpod.org/?m=20060916 views], and here when the Sun is higher in the sky, some of the remaining details become visible. For example, the largest crater, A, on the floor of Arzachel has an off-center peak on its floor that generally isn't visible because of shadowing. This lighting also makes me wonder about the 3-5 crater-long chain at the 5 o'clock position on the rim of Alphonsus. It looks like the chain - secondaries from the formation of the Imbrium Basin - originally may have continued northward, but is now covered by the smooth material on the crater's floor. If that is true, then the floor material was emplaced after the Imbrium sculpture. Of course, it may simply have been only a few minutes later, a slower surge of fluidized debris.<br />
 
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<em>[mailto:tychocrater@yahoo.com" rel="nofollow Chuck Wood]</em><br />
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<em>[mailto:tychocrater@yahoo.com Chuck Wood]</em><br />
 
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<strong>Technical Details</strong><br />
 
<strong>Technical Details</strong><br />
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<div>You can support LPOD when you buy any book from Amazon thru [http://www.lpod.org/?page_id=591" rel="nofollow LPOD!]<br />
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<div>You can support LPOD when you buy any book from Amazon thru [http://www.lpod.org/?page_id=591 LPOD!]<br />
 
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===COMMENTS?===  
 
===COMMENTS?===  
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Click on this icon [[image:PostIcon.jpg]] at the upper right to post a comment.
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Revision as of 17:16, 11 January 2015

Lighting Tales

LPOD-Feb26-10.jpg
 image by Israel Tejera Falcón, Vecindario, Las Palmas (Canary islands), Spain


This gray tones of this image remind me of the hues of the nearly 100 year old Paris Atlas prints. But I doubt that those photographers ever dreamed that a lunar image could be this good. In this, his first submission to LPOD, Israel demonstrates the value of high resolution, high Sun imaging. The floor features of Alphonsus and Arzachel are well known from lower illumnation views, and here when the Sun is higher in the sky, some of the remaining details become visible. For example, the largest crater, A, on the floor of Arzachel has an off-center peak on its floor that generally isn't visible because of shadowing. This lighting also makes me wonder about the 3-5 crater-long chain at the 5 o'clock position on the rim of Alphonsus. It looks like the chain - secondaries from the formation of the Imbrium Basin - originally may have continued northward, but is now covered by the smooth material on the crater's floor. If that is true, then the floor material was emplaced after the Imbrium sculpture. Of course, it may simply have been only a few minutes later, a slower surge of fluidized debris.

Chuck Wood

Technical Details
2/24/10 UT:0:35. Celestron CPC XLT 11" + Barlow X4 TAL + Lumenera Skynyx 2-0M; 2,500 Frames

Related Links
Rükl plates 44 & 55


You can support LPOD when you buy any book from Amazon thru LPOD!

COMMENTS?

Register, and click on the Discussion tab at the top of the page.

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