ISS bathed in green

This extraordinary video clip was recorded at ESA’s Optical Ground Station (OGS) at about 19:05 UTC on 8 October 2014 as the station illuminated the ISS with a 532-nm green laser, used for testing next-gen optical communication technologies. The video clearly shows the ISS bathed in green light as it is tracked by the OGS through the 4-minute pass at an altitude of about 420 km. The video is a time lapse done at 7 shots per second with a reflex digital camera attached to the OGS secondary te