This image was done by one of my students at an astrophotography workshop that I gave at the International Space University summer school in Graz Austria. Her name is Berivan Esen. THe laser tracks are part of a satellite ranging experiment being done at the Lustbühel Observatory. For a time lapse video see http://vimeo.com/28671644
Date and location - Aug 17, 2011 at the Lustbühel Observatory.
Tripod mounted Canon T1i camera operating at 17mm focal length.
Processing in Photoshop and Startrails.de