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Post Info TOPIC: Rupes Recta


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Moon 02.07.17: Image captured with a 100mm f5 Helios refractor and Vesta pro webcam.

Capture 2017-07-02T23_14_20_Rupes Recta



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Look for the 'lunar Straight Wall' (Rupes Recta) on the 23rd August 2015

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The lunar Straight Wall (Rupes Recta)

Capture 2015-08-06T01_21_06


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Capture 2015-03-28T17_29_01Capture 2015-03-28T17_27_49
Date: 28.03.15


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Capture22_11_201220_25_10rupes.jpg

Date: 22nd November, 2012



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The lunar Straight Wall is visible on the 26th August.

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Lunar Straight Wall
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Thelunar Straight Wallis visible on the 7th August, 2012.



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Rupes Recta
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Rupes Recta is a linear fault, or rille, on the Moon, in the southeastern part of the Mare Nubium at 22.1S 7.8W. The name is Latin for "Straight Fault", although it is more commonly called the Straight Wall. This is the most well-known escarpment on the Moon, and is a popular target for amateur astronomers.
When the sun illuminates the feature at an oblique angle at about day 8 (after first quarter) of the Moon's orbit, the Rupes Recta casts a wide shadow that gives it the appearance of a steep cliff. The fault has a length of 110 km, a typical width of 2-3 km, and a height of 240-300 m. Thus although it appears to be a vertical cliff in the lunar surface, in actuality the grade of the slope is relatively shallow.

Read more

Rupes Recta from Alcala de Xivert

Rupes Recta- Moon -Daniel Allepuz

Rupes Recta through Lightbridge 16

Ed~ To locate Rupes Recta look for the large craters Ptolemaeus, Alphonsus, and Arzachel on the terminator just after first quarter phase. South of Arzachel is a large flooded crater. Rupes Recta crosses this ancient crater.



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