(Beppo-) SAX Science Data Center, Frascati
CDS
Center for Astronomical Data, Strasbourg, included Simbad
ESOC
European Space Operations Center ESA, Darmstadt
IPAC
Infrared Processing and Analysis Center
NASA Planetary Data System Imaging Node
NSSDC
National Space Science Data Center
SAO ROSAT Science Data Center
at Harvard-Smithsonian Center for Astrophysics (CFA)
Space Data Division
at Rutherford Appleton Laboratory