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Proba-1 images Calanda reservoir

20 April 2017

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The blue of the Calanda reservoir amid the rugged landscape of northeastern Spain, as seen by ESA's oldest - and one of its smallest - Earth-observing missions, Proba-1, midway through its 15th year of operations.

Located around 120km southeast of the city of Zaragoza, and built within a surrounding gorge, the reservoir is used for agricultural irrigation and fishing. The town of Calanda is visible at the top of the image.

Researchers can use Proba-1's hyperspectral camera to gather data on the reservoir's water quality and phytoplankton content.

The cubic-metre Proba-1 is the first in ESA's series of satellites aimed at flight-testing new space technologies. It was launched on 22 October 2001 but is still going strong, having since been reassigned to ESA's Earth observation duties.

Proba-1's main hyperspectral CHRIS imager records 15 m-resolution scenes across a programmable selection of up to 62 spectral bands, from a variety of viewing angles. It is supplemented by a 5m-resolution black-and-white microcamera.

Calanda reservoir

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