tags: astronomy

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weather (1), sky (1), DC (1), organization (1), chart (1),


National Capital Astronomers, Washington, D.C. Metro Area

NCA logo

Serving science and society since 1937. The National Capital Astronomers (NCA) is a non-profit, membership supported, volunteer run, public service corporation dedicated to advancing space technology, astronomy, and related sciences through information, participation, and inspiration, via research, lectures and presentations, publications, expeditions, tours, public interpretation, and education. NCA is the astronomy affiliate of the Washington Academy of Sciences.

url: http://capitalastronomers.org/

type: unknown, format: page



Based on a numerical weather model, Clear Sky Charts are perhaps the most accurate and the most usable forecasters of astronomical observing conditions for over 1900 observatories and observing sites in North America.

url: http://cleardarksky.com/

type: project, format: page