How to take pictures of the stars at night with the nx200

This recent article explains star photography really well: http://www.stevehuffphoto.com/2013/01/22/how-to-shoot-wide-field-astrophotography-with-a-camera-and-tripod-by-chris-malikoff/

The gist of it is that for really beautiful star pictures showing the milky way etc., you need lots of cash (equipment to turn the camera to compensate for the movement of the earth, which becomes an issue after about 45 seconds).