Approximately 11:05pm, before 11:08pm, April 18, 2015-04-19Latitude:48.758574 - Longitude:-80.689589 - Clear night, no clouds, four square greyish lights shaped as a triangle, no sound whatsoever, moving very fast toward the north.Each square was approximately one inch square from my point of view, the big dipper was in the background when it was directly overhead.Lasted about 3 - 4 seconds much faster than when ISS passes or satellites.