Associations and Online Resources

Associations

• Canadian Astronomical Society (CASCA)
• Royal Astronomical Society of Canada (RASC)
• American Astronomical Society (AAS)
• International Astronomical Union (IAU)
• Astronomical Society of the Pacific (ASP)
• Astronomical Society of Australia (ASA)
• Astronomical League

Catalogues and Data Centres

An astronomical catalogue is a listing or a grouping of astronomical objects by some property. A data center could also merge bibliographic information with a data archive.

• SNRcat Catalogue of supernova remnants (SNRs), hosted by the Department of Physics & Astronomy at the University of Manitoba
• SIMBAD Set of Identifications, Measurements, and Bibliography for Astronomical Data
• Interactive NGC Catalog Online
• VizieR Service Centre de Données astronomiques de Strasbourg (CDS)
• NASA High Energy Astrophysics Science Archive Research Center (HEASARC)
• NASA/IPAC Extragalactic Database (NED)
• Lyon-Meudon Extragalactic Database (LEDA)
• Canadian Astronomy Data Centre (CADC)
• Multimission Archive at Space Telescope(MAST)
• Planetary Data System (PDS)
• National Space Science Data Center
• Sloan Digital Sky Survey (SDSS)

Star Charts

• Sky View Cafe 
• MyStarsLive : Interactive Star Chart (Relative Data Inc.)
• Solar System Simulator (NASA Jet Propulsion Laboratory)
• Aladin Interactive Sky Atlas (CDS)