UFO Sighting in Mississauga, Ontario on 2016-11-16 18:10:00 – Flat object with light at each end and dark in the middle.First saw pulsating then reversed direction very fast east to west

Flat object with light at each end and dark in the middle.First saw pulsating then reversed direction very fast east to west viewed towards the north near toronto pearson airport. was bright like venus. moved much faster than a jet . travelled the length of sky in less than a second .Saw originally while looking towards the constellation cassiopeia which is in the eastern sky.