Enlaces - Investigacion aficionada

• American Association of Variable Star Observers (AAVSO)
• American Lunar Society
• Astronomy and Astromicroscopy
• Cataclysmic Variables Home Page
• Dutch Meteor Society
• Galilean Satellite Eclipse Timings
• Grup d'Estudis Astronomics (Spain)
• Hubble Space Telescope Amateur Proposal Information
• International Meteor Organization
• International Occultation Timing Association (IOTA) Grazing Occultation Section
• IOTA Asteroid Occultation Section
• International Supernovae Network
• North American Meteor Network
• Seti@home en Castellano
• Sociedad Astronomica de Espana y America
• Society of Amateur Radio Astronomers
• Visual Satellite Observers
• VSNET -- Variable Stars, Novae, and Supernovae