September 16, 2007

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Banishing Lines, Pt. 2

Lunar Orbiter V-198 image, processed by Noah Petro, Maryland

The high resolution Lunar Orbiter images have been a critical resource to professional and amateur lunar astronomers for 40 years. During all these decades the lines (both dark and bright) that mark the boundaries of individual framelets have been an eyesore and a nuisance. A cartoon drawn by a US Geologic Survey artist in the late 60’s showed Apollo astronauts who have landed on the Moon only to find that it’s surface is really made of long strips of terrain, each slightly offset from the others (see Mutch’s excellent book, p 47 for the cartoon). ImageJ</em> to achieve a similar effect by following a step-by-step process. The right side of the Lunar Orbiter V image is the normal frame, and the left shows the dramatic improvement from Noah’s processing. Try it - maybe Orbiter’s lines can be lost and gone forever.

Chuck Wood

Can’t identify the crater - tsk, tsk!

Related Links:
Rükl plate 18

Yesterday's LPOD: Who You Gonna Believe?

Tomorrow's LPOD: Oddly Familiar


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