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Duo Planisphere

This star plate is two discs. You can view the constellations, both visible above the horizon and invisible be...

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This star plate is two discs. You can view the constellations, both visible above the horizon and invisible below the horizon. You can also view a chart that will be expanded to specify the equatorial coordinates. "Duo" means "two" in Greek. This means that the "two" hemispheres can be displayed on the boundary of the horizon that it is a feature of this star plate.

Last update

Jan. 25, 2020

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