The Lockheed Martin Solar and Astrophysics Laboratory (LMSAL) is part of the Space Physics Lab of the Advanced Technology Center in Palo Alto, CA. At the website you'll find an interesting and educational series about the Sun. A "Science" tab takes you to an overview of the Sun and its constituent parts. As you move through the links you can get more in-depth descriptions and technical details on how the information was collected and determined. The "Projects" section details individual spacecraft, telescopes and imaging systems. While much of the data used to explain specific techniques in measurement and forecasting are several years old, the processes are very functional today and are responsible for the space weather forecasts you see today. You can see how the imaging of sunspots on the far side of the Sun has developed and even link to the latest solar data, events and forecasts. Bookmark those Solar weather pages you like to easily return for updated information.
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