The arrival roster at Deep Space 9 mentioning Deneb XX
File:Star-chart alpha-beta quadrant.jpg The location of Deneb in "The Explored Galaxy" wall chart Deneb XX was the twentieth planet in the Deneb planetary star system. This system was located in the Alpha Quadrant.
Deneb XX was visited by the
GHD in Per'ot 2370 prior to the ship's arrival at Deep Space 9 on stardate 47566.8. ( , Star Trek VI: The Undiscovered Country production art; : " DS9 ")
Deneb XX was never mentioned or shown; it was simply listed in an okudagram graphic of an arrival roster on a viewscreen. Deneb XX had the highest ordinal of the canon planets.
Star Trek: Star Charts , there were two systems that shared the name Deneb. Deneb Kaitos system only had five planets, suggesting Deneb XX was located in the Alpha Cygni system. (pgs. 12-13, 41)