SOHO is the most successful comet discoverer in history, having found more than 4,100 new comets in over 25-years of operation! The overwhelming majority of these comets have been found by amateur astronomers and enthusiasts from all over the world, scouring the SOHO images for a likely comet candidate from the comfort of their own home. Absolutely anyone can join this project -- all you need is an internet connection, plenty of free time, and a lot of patience!
Become a SciStarter Ambassador!
SciStarter Ambassador badge logo

Applications for Cohort 4 are open!

Libraries and community organizations need your help to spark excitement for citizen science and keep the momentum going!

The SciStarter Ambassador Program offers FREE training to volunteers ready to make an impact in their communities.

Ready to make a difference? Complete your application by March 14th to join the movement!