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  • News - General News

    News - General News

    Interactive summary of ESA Third Party Mission collections

    A new interactive summary is available, showcasing the ESA archives for Third Party Mission collections.

  • News - Success Stories

    News - Success Stories

    Space helps monitor Earth’s changing biosphere

    Earth’s biosphere is continually changing. Through its pioneering Earth observation missions, ESA is making critical contributions to monitor these changes and their impacts on Earth’s water and carbon cycles.

  • Document - Data Access Information

    Document - Data Access Information

    ESA archive of Third Party Mission collections

    Discover the ESA archive data collections offered for the Third Party Missions programme.

  • News - General News

    News - General News

    PROBA-1 Infographic

    Learn about ESA's PROBA-1 (Project for On-Board Autonomy) mission in our new infographic.

  • Activity - Projects

    Activity - Projects

    Dragon 2 Cooperation Programme

    The Dragon 2 Programme focussed on the exploitation of ESA, ESA's Third Party Missions and Chinese Earth observation data for science and applications development in land, ocean and atmospheric applications.

  • News - Success Stories

    News - Success Stories

    A long way for a little satellite

    The PROBA-1 satellite, a technology demonstrator later turned into an Earth observation mission – and just a cubic metre in volume – is reaching 20 years of continuity, making it a huge success.

  • News - General News

    News - General News

    Release of CHRIS PROBA-1 toolbox for SNAP

    PROBA -1 continues to provide valuable hyperspectral data to the scientific community, and so the tools to handle this data have been incorporated into ESA’s SNAP multi-mission toolbox.

  • Data - Data Description

    Data - Data Description

    Proba-1 CHRIS Level 1A

    CHRIS acquires a set of up to five images of each target during each acquisition sequence, these images are acquired when Proba-1 is pointing at...

  • Mission - Third Party Missions

    Mission - Third Party Missions


    PROBA-1 is a technology demonstration satellite that later became an operational Earth observation mission.

  • Data - Campaigns data

    Data - Campaigns data

    Request campaigns data

    Request data acquired during airborne campaigns, many of which were conducted in support of ESA missions.

  • Campaign



    ESA's SPectra bARrax Campaign (SPARC) activity was part of the preparatory study for a proposed ESA Earth Explorer mission called SPECTRA. The objective was to collect a CHRIS/PROBA reference dataset for SPECTRA-related studies.

  • Data - Data Catalogues

    Data - Data Catalogues


    FedEO is a data catalogue that provides a unique entry point to a number of scientific catalogues and services for, but not limited to, European and Canadian missions.

  • Data - Data Catalogues

    Data - Data Catalogues

    EO CAT

    EO CAT is a data catalogue, offering a Next Generation Earth Observation system designed to manage end-user Earth Observation services.

  • Document - General Reference

    Document - General Reference

    The PROBA Satellite Star Tracker Performance

    This article gives a description of the PROBA ASC (Advanced Stellar Compass) and its various aspects and applications.

  • Document - General Reference

    Document - General Reference

    The Compact High Resolution Imaging Spectrometer (CHRIS)- The Future of Hyperspectral Satellite ---

    This article gives a description of the CHRIS/PROBA system and compares it with an ocean colour satellite sensors and airborne spectrometers.

  • Document - General Reference

    Document - General Reference

    The PROBA-CHRIS Mission- A Low-Cost Smallsat for Hyperspectral, Multi-Angle, Observation of the ---

    This article gives a description of the CHRIS/PROBA mission.

  • Document - Product Readme Note

    Document - Product Readme Note

    Comparing Three Canopy Reflectance Models with Hyperspectral Multi-Angular Satellite Data

    This article appeared in the International Society for Photogrammetry and Remote Sensing (ISPRS 2007. 404-407, Vol. XXXVI, part 7/C50) and in the proceedings of }10th International Symposium on Physical Measurements and Spectral Signatures in Remote Sensing} held on 12-14 March 2007 in Davos, Switzerland.

  • Document - Product Readme Note

    Document - Product Readme Note

    Mapping of chlorophyll and suspended particulate matter maps from CHRIS imagery of the Oostende ---

    This article analyzes an image set created by CHRIS/PROBA.

  • Document - Product Document

    Document - Product Document

    Assessment of Canopy Structure and Heterogeneity from Multi-Angular CHRIS-PROBA Data

    The spaceborne ESA-mission CHRIS-PROBA (Compact High Resolution Imaging Spectrometer-Project for On-board Autonomy) provides hyperspectral and multi-angular data of selected terrestrial targets (Barnsley et al. 2004). For vegetated surfaces, the spectral information content of CHRIS data may yield the biochemical and biophysical properties of a vegetation canopy, while the directional component may deliver additional information on its canopy structure. Here, the multi-angular CHRIS observations are investigated and related to surface structure using the parametric Rahman-Pinty-Verstraete (RPV) model. RPV parameters, in particular the Minnaert function parameter k, are able to quantify the anisotropy of surface reflectance, which in turn is sensitive to the structure and heterogeneity of the observed surface. Thus to investigate the potential of multi-angular high spatial resolution data for delivering quantitative surface structure information the retrieved values of the k parameter are compared with proxies derived from detailed LIDAR observations describing the 3-D canopy structure of the target site.

  • Document - Technical Note

    Document - Technical Note

    Note on CHRIS Acquisition Procedure and Image Geometry

    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.