BASS2000 archives and distributes french groundbased solar observations provided by various instruments: the THEMIS telescop,  the RadioHéliographe and Réseau Décamétrique of Nancay, the SpectroHéliographe of Meudon, the Coronographe of Pic du Midi...
Two services are provided:

• A Solar Survey archive with on-line data and daily upgraded (this site),
• A Long Term archive with data from various telescops (in particular THEMIS), including complete routine observations series.

The data available from this WWW server are intended for scientific or educationnal purpose only. They cannot be used for a commercial purpose. Publication requires the agreement of the data provider.

Contact us for further information.