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Revision as of 16:37, 1 January 2015
Rille From Ridge
image by Christian Viladrich, France
This isn't a spacecraft image, but it looks like one. Christian has produced a magnificent view of the area from Gambart east to Schröter (near bottom
right). Hummocky mounds of Imbrium ejecta provide most relief, with mare lavas from Sinus Aestuum filling in low spots. Radial and looping chains of
secondary craters from Copernicus (beyond the upper left margin) demonstrate that we really don't understand the details of ejecta ballistics. Although
there are interesting rilles along the northeast edge of this frame, what is remarkable is a faint sinuous rille that starts at the mare ridge northeast of
Gambart and flows at least 50 km to the south before becoming undetectable. This rille is barely visible in a Lunar Orbiter IV Chuck Wood
Technical Details
24 August 2008- 2h37mnUT. Celestron 14 (extender QX1.6 Takahashi) + Skynyx 2.1M video camera + Astronomik red filter; 400 images, Avistack.
Related Links
Rükl plate 32
Christian's website
COMMENTS?
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