Professional astronomers have over a million images of galaxies that they would like to include in their research, however before they start the galaxies need to be classified. THis is where we can help, log on to http://www.galaxyzoo.org (http://www.galaxyzoo.org).
See more at the BBC news site http://news.bbc.co.uk/1/hi/sci/tech/6289474.stm (http://news.bbc.co.uk/1/hi/sci/tech/6289474.stm)
Scientists need you to organize galaxies
1m star clusters form consternation in night sky
A group of scientists are looking for internet volunteers to take part in what they claim will be the largest galactic census ever compiled.
The act of classifying a galaxy isn't difficult. The trouble is there's a lot of them. Scientifically speaking, the universe is ginormous, and computer programs can't hold a standard candle to the human eye for reliable star system classification.
More: http://www.theregister.co.uk/2007/07/11/galaxy_zoo/
..and the horse's mouth: http://www.galaxyzoo.org/