December 24, 2008

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A Sharper Image

LPOD-2005-05-18b.jpeg
image by Carmelo Zannelli
This is an LPOD classic from May 18, 2005. Has there been a better image of this area since then?

Does the Moon have corners? It has limbs, but it also seems to have out of the way areas that are infrequently observed. Often these are near very attractive areas that steal attention. Here is an often forgotten corner in the unnamed peninsula of grayness that seperates Imbrium from Frigoris. Sinus Iridum and its bay of ridges and rugged Jura rim is the local attraction, but there are stories in the hinterland too. The area is dominated by low curved ridges, most of which are probably subdued secondary craters from the Imbrium and Iridum impacts. Two rilles also occur in this area. At the upper left is the tail end of the sinuous Sharp Rille - there has never been an image of the entire rille in LPOD (hint). Between Sharp and Sharp A is a more peculiar rille that has very sharp edges and is tightly sinuous. This is similar to the rilles that cut this same ejecta blanket near Plato.

Chuck Wood

Technical Details
April 21, 2005. 180mm Maksutov-Newtonian @6500 mm focal length + Vesta Pro webcam + IR cutoff filter. 350 of 1800 processed with Iris 4.32

Related Links
Rükl plate 10

Yesterday's LPOD: Cuarto Creciente

Tomorrow's LPOD: Dove of Peace



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