News - Events and Proceedings

Workshop celebrates end of long-running PROBA-1 satellite

In January, ESA will mark the end of its long-running CHRIS sensor onboard the PROBA-1 satellite in a special workshop.

News - Success Stories

New cross-calibration readies PROBA-1 data for climate research

While PROBA-1 has already exceeded expectations by suppling over 21 years of Earth observation hyperspectral data, recent cross-calibration activities are aiming to ensure the data will robustly serve long time-series research, even when the satellite ends operations.

Document - Data Access Information

ESA-archive-third-party-mission-collections.pdf

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

Tools - Catalogues

FedEO

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.

Tools - Catalogues

ESA PDGS DataCube

ESA's DataCube is a data catalogue that enables multi-temporal and pixel-based access to a subset of data available from ESA

Tools - Catalogues

EO CAT

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

News - Infographics

A summary of ESA Third Party Mission collections

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

News - Infographics

PROBA-1 - From technology demonstration to long-term Earth observation

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

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 - EO Sign In Authentication (Open)

PROBA-1 HRC

The HRC Level 1A product is an image with a pixel resolution of 8m. The data are grey scale images, an image contains 1026 x 1026 pixels and covers an area of 25 km2. HRC data is supplied in BMP format. All PROBA-1 passes are systematically acquired according to the current acquisition plan, HRC data are processed every day to Level 1A and made available to ESA users. Spatial coverage: Check the spatial coverage of the collection on a map available on the Third Party Missions Dissemination Service.

Data - Fast Registration with approval (Restrained)

IKONOS ESA archive

ESA maintains an archive of IKONOS Geo Ortho Kit data previously requested through the TPM scheme and acquired between 2000 and 2008, over Europe, North Africa and the Middle East. The imagery products gathered from IKONOS are categorised according to positional accuracy, which is determined by the reliability of an object in the image to be within the specified accuracy of the actual location of the object on the ground. Within each IKONOS-derived product, location error is defined by a circular error at 90% confidence (CE90), which means that locations of objects are represented on the image within the stated accuracy 90% of the time. There are six levels of IKONOS imagery products, determined by the level of positional accuracy: Geo, Standard Ortho, Reference, Pro, Precision and PrecisionPlus. The product provided by ESA to Category-1 users is the Geo Ortho Kit, consisting of IKONOS Black-and-White images with radiometric and geometric corrections (1-metre pixels, CE90=15 metres) bundled with IKONOS multispectral images with absolute radiometry (4-metre pixels, CE90=50 metres). IKONOS collects 1m and 4m Geo Ortho Kit imagery (nominally at nadir 0.82m for panchromatic image, 3.28m for multispectral mode) at an elevation angle between 60 and 90 degrees. To increase the positional accuracy of the final orthorectified imagery, customers should select imagery with IKONOS elevation angle between 72 and 90 degrees. The Geo Ortho Kit is tailored for sophisticated users such as photogrammetrists who want to control the orthorectification process. Geo Ortho Kit images include the camera geometry obtained at the time of image collection. Applying Geo Ortho Kit imagery, customers can produce their own highly accurate orthorectified products by using commercial off the shelf software, digital elevation models (DEMs) and optional ground control. Spatial coverage: Check the spatial coverage of the collection on a map available on the Third Party Missions Dissemination Service.

Mission - Third Party Missions

PROBA-1

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

Document - General Reference

The PROBA Satellite Star Tracker Performance

Document - Publication - Paper

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

Studies that compare modelled reflectances with satellite-measured reflectances for different wavelengths and view angles are still rare. We compared model outputs from three different canopy reflectance models (SLC, FRT and INFORM) with satellite measured reflectances (Chris/PROBA).

Document - Publication - Paper

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

The image set created on 5 August 2003 by CHRIS/PROBA is analyzed to assess the feasibility of producing suspended particulate matter (SPM) and chlorophyll (CHL) maps.

Document - Proceedings

Hyperspectral Workshop 2010

Proceedings of the Hyperspectral Workshop 2010 held on 17-18 March 2010 in ESA-ESRIN, Frascati, Italy. This workshop was organised by the European Space Agency (ESA), the German Aerospace Center (DLR)/the German Research Center for Geosciences (GFZ) and the Italian Space Agency (ASI).

Document - General Reference

Overview of an Intelligent Sensorweb for Integrated Earth Sensing Project

Document - General Reference

Earth from Space - 5 Years of Proba

Mission - Heritage Missions

IKONOS-2

At the time of its launch, IKONOS-2 brought imagery rivalling that of military satellites to the commercial market.

Document - Product Readme Note

Retrieving-Canopy-Structure-from-Hyperspectral-Multi-Angular-Satellite-Data.pdf

This article was presented at the 5th EARSeL SIG IS workshop Imaging Spectroscopy : Innovation in Environmental Research held on 23-25 April 2007 in Bruges, Belgium, ed. By I. Reusen and J. Cools. EARSEL, 2007. 7 p.