Andrés Duarte published an analysis in Spanish, which is non-peer-reviewed and self-published, but fairly systematic. It was translated to English by Forgetomori.
The sighting was not a single event, but a number of sightings spread out over two or three years.
The conclusion reached was that the images were
> mainly of yacht side windows reflecting light at night.
He determines the source and angle of the shots, and identifies the marina and the style of boat.