BASS2000 archives and distributes groundbased solar observations provided by various instruments:
the THEMIS telescop, the RadioHéliographe and Réseau
Décamétrique of Nancay, the SpectroHéliographes of Meudon and Coimbra,
the Coronographe and CLIMSO of Pic du Midi, USET at Royal Observatory of Belgium ...
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.