awesome

cool, but looks way too bright. time to add a potentiometer. also, would have been a lot more practical to build a simple pinprick projector... that way you could easily make adjustments and even take it to a friend's house, etc.

examples:
http://www.instructables.com/howto/planetarium/

commercial home planetariums go from around $30 up and have features like changeable skies and rotating in sync with the earth's orbit.