Sh 2-34
| Nebula | |
|---|---|
As seen in 2024 | |
| Observation data: J2000 epoch | |
| Right ascension | 18h 06m 24s |
| Declination | −21° 39′ 00″ |
| Distance | 4570 ly (1400 pc) |
| Apparent magnitude (V) | 16.73 |
| Apparent dimensions (V) | 130' x 40' |
| Constellation | Sagittarius |
| Physical characteristics | |
| Radius | 173 ly |
| Designations | Gum 77, RCW 149, LBN 38 |
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.