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Star chart
A star chart is another name for a chore chart.
A star chart or star map is a map of the night skyAstronomers divide these into grids to use them more easily. They are used to identify and locate astronomical objects such as starsconstellations and galaxies. They have been used for human navigation since time immemorial. Note that a star chart differs from an astronomical catalog, which is a listing or tabulation of astronomical objects for a particular purpose. Tools utilizing a star chart include the astrolabe and the planisphere.

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