Lois's personnel file.
Beta Aquilae II was the second planet in the Beta Aquilae planetary system. The Beta Aquilae II Starfleet Academy annex was located there.
Malcolm Eckridge, Arlene Eckridge, and their daughter Lois Eckridge were inhabitants of Beta Aquilae II and, it was here that Lois graduated from Starfleet Academy. (TNG: "Eye of the Beholder")
According to the Star Trek: Star Charts, on the chart "United Federation of Planets I", the Beta Aquilae system was located in or near Federation space, in the Alpha Quadrant. This system, also known as Alshain, was a binary star system. Primary was a Class G star with a magnitude of +3, which was ten times brighter than Sol. Secondary was a Class M star.