April 16, 2010
Almost Nothing
image by Thierry Legault,Montfaucon, France
At the instant of New Moon, when the Sun and Moon have their smallest angular separation for the month, there will always be a very thin sliver visible from Earth, except when solar eclipses occur. But because the sliver is very thin, and is seen during the day, very near the Sun, the exact moment of New Moon has never been photographed before. Thierry Legault has now done it. His Chuck Wood
I thank Jocelyn Sérot for recommending this image.
History note: Apollo 16 was launched to the Moon on this date in 1972.
Technical Details
April 14, 2010, 12:29 UT. Takahashi FSQ-106ED with focal reducer (D=106mm, F=400mm) on Losmandy Titan German equatorial mount, Lumenera Skynyx L2-2 monochrome video camera (1616x1212 pixels of 4.4 microns), low-pass infrared filter 850nm in luminance. Processing: combination of 500 calibrated (flat-field) images, gradient removal, contrast/brightness, IR-RGB color.
Related Links
Thierry's webpage
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