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SunPosition, online application for calculating the sun's position and sun's path accurately for any day of the year.

Home of the Royal Swedish Academy of Science's 1-m solar telescope. High-resolution images available.

The HELAS Network aims to support and coordinate the exchange of knowledge concerning the global properties of the Sun and stars.

Welcome to the Solar Data Analysis Center (SDAC) at NASA Goddard Space Flight Center in Greenbelt, Maryland USA. The Solar Data Analysis Center serves Solar Images ...

What is the analemma? With a few simple animations the analemma can be readily understood

The Solar System Simulator is a graphical engine which will produce simulated views of any body in the solar system from any point in space.

FindMyShadow.com calculates the position of the sun at any location and date, and plots the shadows cast by the sun throughout the day at different times of the ...

National Solar Observatory facilities at Kitt Peak