It seems that is a task only for experts with large telescopes. But anyone who owns a computer and an Internet connection, you can participate in the search for intelligent life on other worlds.
SETI @ home is a scientific experiment that uses Internet-connected computers to search for extraterrestrial intelligence (SETI stands for "Search for Extraterrestrial Intelligence"). You can participate by running a free program that downloads and analyzes data collected by radio telescopes.
The program is free. And you can download it and contribute to this project.
The address to download the program and to find out best of Seti project is: http://setiathome.ssl.berkeley.edu/
