Various special-interest groups exist within the Society to coordinate the activities of special interest groups, which are divided into three broad categories: observing sections (Shallow Sky, Deep-Sky, and Photometry & Spectroscopy), theoretical sections (Cosmology and Astrophysics), and other sections (Historical, Dark Sky, Astrophotography, and Instrumentation). Find out more about the work of the Sections:

“The pleasures of amateur astronomy are deeply personal. The feeling of being alone in the universe on a starlit night, cruising on wings of polished glass, flitting in seconds from a point millions of kilometers away to one millions of parsecs distant … is euphoric.” — James Mullaney