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The Huairou Solar Observing Station is a solar observatory in China. It is situated on a north bank of the Huairou Reservoir, about 40km north of Beijing. There are two telescopes. It is operated by the National Astronomical Observatory of China, part of the Chinese Academy of Science.
40°18′57″N 116°35′40″E / 40.31583°N 116.59444°E / 40.31583; 116.59444
