Stars trails over Armazones

Multiple-exposure picture taken looking west from the top of the 3046-metre-high Cerro Armazones, the selected site for the European Extremely Large Telescope (ELT). Because of the rotation of the Earth, the night sky is seen as it rotates around the southern celestial pole. As a result of this movement, the stars describe dotted trails when a series of exposures is combined. On the right of the image is the Differential Image Motion Monitor (DIMM), used to measure the atmospheric seeing.

Crédito:

F. Char/ESO

Sobre a imagem

Id:armazones-west_20100625
Tipo:Fotográfico
Data de divulgação:6 de Julho de 2011 às 10:50
Tamanho:3072 x 2304 px

Sobre o objeto

Nome:Cerro Armazones
Tipo:Milky Way : Sky Phenomenon : Night Sky : Trail
Unspecified : Technology : Observatory
Categoria:ELT

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