1. Create a new (Ctrl + N), I made the picutre 400 x 400 pixels
2. Filter -> Render -> Clouds
3. Filter -> Render -> Difference clouds, then klick Ctrl-F 3 times
4. Now go to Filter -> Render -> Lighting Effects and set the Style as Flashlight. Like this:
5. Now again go to Filter>Render>Lighting Effects and use the following settings:
Now you can look at your own galaxy :)
More Tutorials: 
