Professional Associations

• AAS American Astronomical Society
• AAVSO American Association of Variable Star Observers
• ASP Astronomical Society of the Pacific
• AURA Association of Universities for Research in Astronomy
• IAU International Astronomical Union
• RAS Royal Astronomical Society
• RASC Royal Astronomical Society of Canada

Selected Observatories

• BLAST Balloon-borne Large-Aperture Sub-millimeter Telescope
• CFHT Canada-France-Hawaii Telescope Corporation
• Gemini Observatory
• HIA NRC Herzberg Institute of Astrophysics
• Magellan Project
• Spitzer Space Telescope
• TMT Thirty Meter Telescope

Directories of Astronomers

• AAS Public and Members Directories
• IAU Members and Membership Information

Graduate Student Guides

• Resources for the ambitious undergraduate or beginning graduate researcher in astronomy & astrophysics-Compiled by Chris Matzner

Job Links

• AAS Job Register
• AAS Links to Job Sites
• CASCA job ads
• INSPIRE job search

Time

• NRC Canada Offical Times Across Canada
• US Naval Observatory Master Clock Time

History

• Cosmic Journey: A History of Scientific Cosmology (AIP)

Canadian Links

• CASCA Canadian Astronomical Society
• CADC Canadian Astronomy Data Centre
• CIFAR Canadian Institute for Advanced Research
• CSA Canadian Space Agency
• HIA NRC Herzberg Institute of Astrophysics
• NRC-CNRC National Research Council Canada
• RASC The Royal Astronomical Society of Canada

Weather

• Weather Forecast for Astronomy
• Environment Canada Forecast - Toronto, Ontario
• Environment Canada Weather Radar
• World Weather Information Service
• The Weather Network
• Weather on other planets
• Meteorological Service of Canada Weather
• US Radar composite
• GOES satellites