UNIVERSAL PLANISPHERE COMPLETE GUIDANCE AND COMPUTER SYSTEM

摘要

A Copernican planisphere for providing an indication of stars visible from a particular latitude on a predetermined date at a selected time and the method of operation thereof is disclosed. The planisphere structure and method of operation disclosed facilitates understanding of the Copernican principles of the relation of the heavenly bodies, accurate estimation of moon phases, and the determination of the time before which a particular heavenly body will appear at a viewing meridian, the rising and setting time of a heavenly body, the declination of heavenly bodies and the altitude thereof. Both astronomical and navigational information are provided on the planisphere disclosed.