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.