Useful astronomical resources

• Astro-ph preprints form interface (or normal page ) at SISSA, Italy, or new entries for the week and a searchable author/title index
  
  
• Astrophysics Abstract Service by the ADS
  
  
• AstroWeb: Astronomical Internet Resources at NRAO
  
  
• CDS server
  
  
• LEDA database for physics of galaxies
  
  
• NED: NASA/IPAC Extragalactic Database
  
  
• Sky View with on-line surveys at many wavelengths