Dictionary.com · The American Heritage® Dictionary
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This figure-8 path that the sun makes in the sky is called the analemma. On some days you might notice that the sun is not in the sky where, according to the time on your watch, you would expect it to be.
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Analemma - Wikipedia, the free encyclopedia
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Set the analemma curve upright, and it becomes a miniature almanac. The vertical coordinate of each point on it gives the sun's declination on a particular day of the year, while the horizontal coordinate tells how much the sun is ahead of or behind clock time on that day.
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Photographing the Analemma ... Analemma Resources ... Some of you may ask, "What is an analemma?" Well, if you photographed the sun once a week at the same time of day for an entire year, you would have a photo of the analemma, the sun's apparent path on the sky over the course of a year, which looks like a figure-eight.
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This is a web site of astronomy, astronomical photography, articles about astronomy and astrophotography and useful tips and tricks.
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Solar Image Gallery - Analemma; ... Strange as it may seem, only seven times has someone ever managed to successfully image the solar analemma as a multi-exposure on a single piece of film. ... For a full-screen rendition of a particular analemma with imaging details, please click on the image of interest.
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The answer is no, and the shape traced out by the Sun over the course of a year is called an analemma. The Sun's apparent shift is caused by the Earth's motion around the Sun when combined with the tilt of the Earth's rotation axis.
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Analemma Sundial Apple ... Select the view details from the "Analemma..." menu. ... An analemma is the figure-of-eight shape that results if the Sun's position in the sky is recorded at the same time of day throughout the year. As a consequence the gnomon draws a similar figure. Watch an animation.
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