Participating is as simple as:
- Find your location in longitude and latitude
- Locate the constellation Orion in the evening sky about an hour after sunset
- Match what you see to examples provided on the GLOBE at Night web site
- Report your observation
This is another great way to help celebrate the International Year of Astronomy. Get outside tonight and do your part... I'll be out there, too!
Update: Having gone out and done my observation for tonight (plan on doing other locations over other nights of the project), I have a suggestion: skip the step to look up your longitude and latitude. When you go to the link to report your observation, there is an option there to select long/lat by specifying an address. It is just as simple to wait till you report your observation as to look it up in advance and remember it to enter later on.