Sh 2-34
Sh 2-34, also known as the Forgotten Nebula is a nebula in Sagittarius. It is a star-forming region and contains multiple filamentary structures. Most of the nebula is composed of hydrogen and sulfur, with a region of oxygen.
The designation Gum 77 also applies to Sh 2-35, as Gum 77b, despite no relation or proximity between the objects.