After a bit more searching, I found out that hydrogen does indeed do this naturally in space and is the cause for plasma surrounding neutron stars. Very cool stuff. It would basically be the equivalent of an aurora in space.
I was watching "The Universe" series talking about scram jets, and how hydrogen is one of the most common elements in the universe. After some searching I found this http://en.wikipedia.org/wiki/H-alpha" about different states of hydrogen atoms. Which made me ask what I thought to be an obvious...