The World at Night has posted its third mystery: What are the streak at the right edge of this image near the belt of Orion? The streaks in the above image taken near Ankara, Turkey on 12 August 2007 would be identified at first glance as meteors from the Perseids meteor shower peaking just that night. Unexpectedly, however, these streaks do not point back to the Perseids radiant in Perseus (top center). Then what is their origin? The above image is a composite of several shots captured over the time span of 40 minutes….

Read the full story and feel free to propose an explanation at the following link:
http://www.twanight.org/newTWAN/mystery.asp