Multiple realities(covers information from several alternate timelines)
The Altamid system was a planetary system in the Necro Cloud nebula. Altamid, the homeworld for the Ancient Ones, was located in this system.
In 2164, the Starfleet vessel USS Franklin entered this system and crash landed on Altamid. (Star Trek Beyond)
This system was only mentioned in writing.
The name for this system came from graphics created for the film.