You know Pharos Sirius, one of a few things named after RL stars that also include an enigmatic figure in Mor Dhona, Darkscale's Henchmen, various AST weapons, The Mite bosses in 1.0 Toto-Rak, A set of NIN daggers form the latter dungeon, certain gear in Aurum Vale and the mobs that spawn in a certain FATE in Costa de Sol. (As well as Constellations that include the boss of the aforementioned FATE, a 1.0 Dungeon and the 1st boss of Void Ark).

But I remember that other lighthouses in Limsa Lominsa have that same naming conventions as all of the above, so I want to ask what these towers are.