Discover and download the Earth observation data you need from the broad catalogue of missions the European Space Agency operate and support.
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Explore the European Space Agency's Earth Observation satellite missions. Learn all about ESA's dedicated Earth Explorers or collaborations with other agencies through the Third Party Missions programme.
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ACTIVITY - Instrument characterisation and algorithm studies
ESA satellites and instruments calibration landing page Read more
Explore the many instruments the European Space Agency use to observe the Earth. ESA offer data from a wide range of optical, radar, atmospheric, altimetric and gravimetric instrumentation.
Learn about the ground-based, ship-borne, balloon-borne, and airborne campaigns and small satellite field experiments that validate orbiting ESA EO satellites and support future mission development.
Browse through mission documentation and reports, and learn more about European Space Agency Earth Observation projects and opportunities.
DOCUMENT - Technical Note1 Mar 2019
The aim of this document is to clarify the acquisition procedure CHRIS on-board the PROBA satellite. It provides a detailed description of the acquisition procedure and summarises the implications for the geometrical properties of the CHRIS images. Download