Google+ SpaceTravelFoundation: Amazing video of Bulgaria night sky

March 3, 2014

Amazing video of Bulgaria night sky



Credit image: Nikola Petrov and Emil Ivanov

A whole night at Rozhen National Astronomical Observatory, Bulgaria in September 2010. 
The frames are taken each 25 seconds. The video combines 764 individual images with a Canon 40 D camera with 20mm Sigma lenses at F/1.8.