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The diagram on the left shows how to insert
a star disc for the Northern Hemisphere.
* Please note that the image at the edge of
the projection may appear blurry but this is
a limitation of the design and not a defect.
Here’s another representation of the Celestial Sphere. As the Sun rises in the East and sets
in the West, so do all the stars in sky. Constellations near the Celestial North Pole like the Big
Dipper will appear to rotate counter-clockwise whereas stars near the Celestial Equator will
appear to move across the sky in a great arc.
