                        Astronomy Picture of the Day

    Discover the cosmos! Each day a different image or photograph of our
      fascinating universe is featured, along with a brief explanation
                    written by a professional astronomer.

                                2023 April 26
     A nearly full Moon is seen through the famous Arc de Triomphi with
    trees and cars lining the foreground. Please see the explanation for
                         more detailed information.

                    The Moon through the Arc de Triomphe
                 Image Credit & Copyright: Stefano Zanarello

   Explanation: Was this a lucky shot? Although many amazing photographs
   are taken by someone who just happened to be in the right place at the
   right time, this image took skill and careful planning. First was the
   angular scale: if you shoot too close to the famous Arc de Triomphe in
   Paris, France, the full moon will appear too small.  Conversely, if you
   shoot from too far away, the moon will appear  too large and not fit
   inside the Arc. Second is timing: the Moon only appears centered inside
   the Arc for small periods of time -- from this distance less than a
   minute. Other planned features include lighting, relative brightness,
   height, capturing a good foreground, and digital processing. And yes,
   there is some luck involved -- for example, the sky must be clear. This
   time, the planning was successful, bringing two of humanity's most
   famous icons photographically together for all to enjoy.

                Today's adventure link: Click "Paris" (above)
                       Tomorrow's picture: open space
     __________________________________________________________________

       Authors & editors: Robert Nemiroff (MTU) & Jerry Bonnell (UMCP)
            NASA Official: Phillip Newman Specific rights apply.
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                      A service of: ASD at NASA / GSFC,
                           NASA Science Activation
                             & Michigan Tech. U.

