Sites

Center for Backyard Astrophysics (Popularity: )
http://cba.phys.columbia.edu/
A global network of small telescopes dedicated to photometry of cataclysmic variables.

Extrasolar Planet Search Project (Popularity: )
http://www.spectrashift.com
Dedicated to amateur radial velocity studies.

The Amateur Sky Survey - TASS (Popularity: )
http://www.tass-survey.org/
Project objective to construct low-cost, drift-scan cameras and distribute to sites around the world to monitor for bright objects across a large section of sky.

The Puckett Observatory (Popularity: )
http://www.cometwatch.com/
Study of comets and the discovery of supernovae.

Coddenham Astronomical Observatory (Popularity: )
http://www.coddenhamobservatories.org
Dedicated to the search for and research of Supernovae.

Great Amateurs In Science (Popularity: )
http://www.pbs.org/wgbh/nova/orchid/amateurs.html
Like the amateur orchid expert Tom Hart Dyke in "Orchid Hunter," they have no formal training. They are often ignored by those who do. In some cases they don't live ...