Moon Corona in Paranal Twilight Sky

By: Miguel Claro


Region: Americas

Site: Cerro Paranal - Chile

Date: 2015 October 16

From the photographer: "After sunset the partially cloudy sky promoted the appearance of a beautiful show of colors, as well as an optical phenomenon called “Corona”, produced by the diffraction of light coming from the Moon by individual small water droplets and sometimes tiny ice crystals in clouds. In the foreground are three of four movable Auxiliary Telescopes in the Very Large Telescope array.
The Very Large Telescope (VLT) is an array of optical telescopes operated by ESO, the European Southern Observatory, on Cerro Paranal in the Atacama Desert of Chile. The VLT consist of four telescopes with main mirrors of 8.2m diameter, which are generally used separately but can be used together to achieve very high angular resolution.

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