The North Alabama Science Fiction Association (NASFA) puts on a general interest Science Fiction convention each year dubbed Con*Stellation. The name Con*Stellation was chosen because Huntsville is a center for scientific and space research, including the study of the cosmos. Each Con*Stellation has been subtitled with an astronomical constellation — usually one of the 88 official modern constellations, though the first one was named after a group of stars in Taurus. The convention often uses the constellation as a theme in its advertising and for events at the convention.