Service temporarily unavailable due to hardware failure.

Service will be back on the beginning of **December**. Sorry for the inconvenience.

In the meanwhile, please send a request via this form

GDR online data - Service unavailable

This form allows you to request a GDR extraction from CTOH database.

Other data also available on request.

When you've selected your chosen satellite mission, parameters, region and period, click on . You will then be able to preview results and request a GDR extraction.

logo cnes logo IRD Logo université de Toulouse Logo université Paul Sabatier Logo CNRS
Logo bibliothèque OBS Logo Observatoire Midi Pyrénées