Alpha Berman was a star system that was located somewhere in the Alpha or Beta Quadrant.
Its position was labeled on a star chart in the guidance system S/COMS panel on aboard the Amargosa observatory in 2371. (Star Trek Generations)
Background information
This star system was only mentioned in writing.
In August 2024, this panel was put up for auction in the Entertainment Memorabilia Live Auction: Los Angeles Summer 2024 by Propstore Auction. [1]
This system was presumably named after the film's producer Rick Berman.
In the Bayer designation, which was a system of stellar classification, the Greek letter indicated the brightness of a star in a constellation. In this case, Alpha Berman would be the brightest star in its constellation.