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Steffen Dransfeld is in charge of the quality of the data from the Ocean and Land Colour Instrument (OLCI) and Sea and Land Surface Temperature Radiometer (SLSTR) instruments on Sentinel-3.

Sentinel-3 is part of the family of EU-owned satellites that are developed and operated in the context of Copernicus, the largest environmental monitoring programme in the world.

ESA is pleased to announce the first official release of Sentinel-3A SRAL Level 1B-S data products in the Sentinel Data Hub.

Sentinel-3A L1 and L2 NRT data production was suspended on 11 April at noon and will be resumed today, 13 April.

Satellites carrying synthetic aperture radar, in particular the European Union's Copernicus Sentinel-1 constellation, have become the standard instruments to measure coseismic displacements over large areas, critically contributing to improving our understanding of earthquakes. Together with high-resolution images from the Sentinel-2 mission on effects caused by earthquakes, such as landslides, floods, surface ruptures and other surface changes, the two missions offer unique possibilities to monitor disasters.

Due to a Sentinel-2 ground segment anomaly, the publication of Sentinel-2A products in the data hubs was temporarily unavailable on 7 April 2017 between sensing orbit 9345 and 9357.
Due to Land PDGS system issues, Sentinel-3A L1 and L2 NRT data products starting from dump 5939 acquired on 8 April 2017 at 06:06 UTC are partially missing.
Calling on all interested users of Sentinel data, who would like to submit their results, turning their experiences into ‘success stories'.

Oil spills, such as those from the Erika (1999) and the Prestige (2002) tankers, result in huge environmental and economic damage to our coastlines.

Following the maintenance of 4 April, the self-registration function on the Open Access Hub has not been working properly since 5 April 2017, 14:51 UTC. New registered users might not succeed in logging in to the Open Access Hub even after a successful completion of the registration process.
This year's Copernicus Masters competition is now open. With prizes totalling more than €1.5 million, the chance to design and launch a small satellite mission and much more, Europe's leading competition for the novel use of Earth observation has never been so impressive.

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Calling on all interested users of Sentinel data, who would like to submit their results, turning their experiences into 'success stories'.

If you have a good story to tell, of how any of the Sentinel satellites are producing data that bring benefit to your work and/or to society, please contact the Sentinel Online Editor Malì Cecere at: mali.cecere@ejr-quartz.com with your proposals.