Thursday, December 28, 2006

The Straight Wall



With the Moon just past first quarter, the lighting conditions were just right for the Rupes Recta, the Straight Wall. Actually it is a fault on the lunar surface. It is also less dramatic than its appearance would lead one to believe. Its length is 110 Km but it is only 240-300m high and slopes gently at about 7 degrees. The photo is a stack of three images and was taken with a 3MP camera attached to a 10mm EP & 2X barlow on a 200mm Sky-Watcher dobson reflector. You can see the full size image here.

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