January 6, 2009

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Two for One

LPOD-Jan6-08.jpg

image by Patricio Dominguez, Madrid, Spain

Sinus Aestuum has a conspicuous and almost straight mare wrinkle ridge running SW-NE along its SE margin. This is widely commented Patricio Dominguez

Technical Details
The image above is a composite of two images. The first was taken January 4 when Sinus Aestuum was near the terminador, the second was taken some months ago during an almost full Moon with a similar libration. The composite image shows details of both: long shadows showing the relief and the albedo. Near terminator image: January 4, 2009 22:30 UT. Celestron CGE 800, Camera DMK 31 AF 03.AS, Infrared filter (Astronomik IR Pro 742)
Full Moon image: August 20, 2008 01:30UT. Celestron C8 (1978) on HEQ5 Camera DMK 31 AF 03.AS, Infrared filter (Astronomik IR Pro 742)

Related Links
Rükl plate 32

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