Racine Astronomical Society
Here are some astronomy links that we find useful.
astronomyLINKS™ - A directory of astonomy links categorized by subject.
Atmospheric Optics - A host of visual spectacles - rainbows, halos, glories, coronas and many more.
Heavens-Above! - all the information you need to observe satellites such as the International Space Station and the Space Shuttle.
Human Space Flight (HSF) - Realtime Data - NASA real-time data for the International Space Station and Space Shuttle flights.
Lunar and Planetary Science at the NSSDC - Planetary fact sheets and mission information.
Skymaps.com - Downloadable monthly sky maps
Sky&Telscope - Sky and Telescope Magazine - Site has some very useful interactive observing tools.
SPACE.com -- Something Amazing Every Day
SpaceWeather.com - News and information about the Sun-Earth environment
StarDate Online - Stargazing tips, almanac, constellation guide and more.
Stars and Constellations - Guide to constellations, stars and Messier Objects.
Sun, Planet, and Satellite Data - Introduction to the Solar System.
The Nine Planets - Guide to the Solar System.
Welcome to the Planets - Collection of many of the best images from NASA's planetary exploration program.
Windows to the Universe - Great educational site.
Wisconsin Astronomy - Wisconsin astronomical events and organizations.
Your Sky - Interactive planetarium program.