From the location of those light sources, I suspect they are from drilling rigs extracting oil from several large oil fields around the Grand Banks of Newfoundl

From the location of those light sources, I suspect they are from drilling rigs extracting oil from several large oil fields around the Grand Banks of Newfoundland. There's a map of the largest fields in this article: http://www.cbc.ca/news/canada/newfoundland-labrador/husky-west-white-rose-1.4135594 http://www.cbc.ca/news/canada/newfoundland-labrador/husky-we...