Multiple realities(covers information from several alternate timelines)
Eminiar was a star of the Alpha Quadrant. This star, the primary of the Eminiar system, was located within the NGC 321 star cluster.(TOS: "A Taste of Armageddon")
The location of Eminiar in the Milky Way Galaxy was depicted on a large Federation star chart in 2293. (Star Trek VI: The Undiscovered Country, production art)
In 2367, the star appeared on a chart in Captain Benjamin Maxwell's ready room on the USS Phoenix. (TNG: "The Wounded" display graphic)
In an alternate 2366, Eminiar was marked on a tactical situation monitor showing the fleet deployments in the Federation-Klingon War. (TNG: "Yesterday's Enterprise" display graphic)
The location of Eminiar on "The Explored Galaxy" wall chart
The location of Eminiar on a tactical situation monitor
On the tactical situation monitor, the location of Eminiar was displayed twice.
"The Explored Galaxy" was a map of charted space in the Alpha Quadrant. Eminiar was located between the Tholian Assembly
. Both locations were identified in DS9
: "The Search, Part II
", "Call to Arms
" as being located in the Alpha Quadrant. This chart, first seen chronologically in Star Trek VI: The Undiscovered Country, was also seen in several Star Trek: The Next Generation and Star Trek: Deep Space Nine episodes set in the 24th century, from the year 2364 to 2370. These were TNG: "Conspiracy", "The Measure Of A Man", "The Emissary", "The Mind's Eye", "The Game", and DS9: "In the Hands of the Prophets", "Cardassians".