| Name |
Description |
| Helaspont Nebula [1] |
A nebula located near the Federation-Tzenkethi border. It was approximately twenty hours travel from Barisa Prime at high warp. The USS Ulysses studied protoplanetary masses in the Helaspont Nebula in 2371. [1] |
| Horsehead Nebula [2] |
A backup copy of Voyager's EMH once claimed that B'Elanna had a chip on her shoulder the size of the horsehead nebula. [2] |
| Hugora Nebula [3] |
A nebula located in the Demilitarised Zone between the Federation and Cardassia. Picard planned to hide ships within the Hugora nebula as part of a plat to ambush a Maquis force in 2370. [3] |
