Places to find Citizen Science projects (they aren't all astronomy related):

Citizen Science Central (Cornell Lab of Ornithology) http://www.birds.cornell.edu/citscitoolkit/projects  read more »

NASA and Microsoft collaborated to create a Web site where Internet users can have fun while advancing their knowledge of Mars.  read more »

Help scientist do real science by helping to identify surface features on the Moon - craters and boulders. A fun way to get involved in real science using real data.

Solar scientists need you!  read more »

The aim of Moon Zoo is to provide detailed crater counts for as much of the Moon's surface as possible.  read more »

The Goldstone Apple Valley Radio Telescope (GAVRT) project is an exciting venture that is bringing hands-on scientific discovery to America's classrooms.  read more »

Many of us live in a world of urban constellations, unable to see the stellar constellations a moderately dark sky would provide.  read more »

The project involves students in research using visible and near infrared color photometry to characterize Near Earth Objects, newly discovered asteroids, and other interesting known asteroids.  read more »

S'COOL is a real-time, collaborative science experiment that elementary through secondary students conduct with NASA scientists.  read more »

GalaxyZoo is the project which harnesses the power of the internet - and your brain - to classify a million galaxies.  read more »