The Helaspont Nebula is a nebula located in the Alpha Quadrant near to the Federation-Tzenkethi border. In 2371, the USS Ulysses conducted a study of protoplanetary masses within the nebula. (DS9: "The Adversary") External links[edit source] Helaspont Nebula article at Memory Alpha, the canon Star Trek wiki. Helaspont Nebula article at Memory Beta, the non-canon Star Trek wiki. Retrieved from "https://stexpanded.fandom.com/wiki/Helaspont_Nebula?oldid=281003" Categories: Nebulae Alpha Quadrant Add category Cancel Save Community content is available under CC-BY-SA unless otherwise noted.