sun – Bookmarks

How can we compute solar position at a given place on a given day and time?

The algorithm with the highest accuracy should be the Solar Position Algorithm (SPA) by the National Renewable Energy Laboratory (NREL) of the US….

An online calculator is avaible here:

https://www.nrel.gov/midc/solpos/spa.html

Source: How can we compute solar position at a given place on a given…

APOD: 2009 December 20 – Tutulemma: Solar Eclipse Analemma

nasa bookmarks, ha ha. “If you went outside at exactly the same time every day and took a picture that included the Sun, how would the Sun appear to move? With great planning and effort, such a series of images can be taken. The figure-8 path the Sun follows over the course of a year is called an analemma.”