This could easily be a CGI effect, but there is not enough data in the image to be certain. Telltale: why is the camera searching for the UFO before it appears? Was it because the videographer had seen the UFO, then rushed to the window with the camera, or was it for effect? Graded C.
http://www.youtube.com/watch?v=vlV7SUHcRjA&feature=player_embedded#at=27Story Source:
http://www.youtube.com/watch?v=vlV7SUHcRjA&feature=player_embedded#at=27