Article · Wikipedia archive · Last revised Jul 25, 2026

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.

Last revised
Jul 25, 2026
Read time
≈ 1 min
Length
126 w
Citations
6
Source
Wikipedia ↗
Sharpless 2-34
Nebula
As seen in 2024
Observation data: J2000 epoch
Right ascension18h 06m 24s
Declination−21° 39′ 00″1
Distance4570 ly   (14002 pc)
Apparent magnitude (V)16.73
Apparent dimensions (V)130' x 40'3
ConstellationSagittarius
Physical characteristics
Radius173 ly
DesignationsGum 77, RCW 149, LBN 38

Sh 2-34, also known as the Forgotten Nebula4 is a nebula in Sagittarius. It is a star-forming region and contains multiple filamentary structures.5 Most of the nebula is composed of hydrogen and sulfur, with a region of oxygen.6

The designation Gum 77 also applies to Sh 2-35, as Gum 77b, despite no relation or proximity between the objects.

References

References

  1. "Sh 2-34". simbad.u-strasbg.fr.
  2. "Sh 2-34". galaxymap.org.
  3. "Sharpless (Sh2) - Astrobasics". 13 September 2022.
  4. "Sh2-34, The Forgotten Nebula". Telescope Live.
  5. "Sh2-34: Faint Emission Waves in Aquila". AAPOD2.COM.
  6. Miller, Katherine (September 1, 2025). "Sh2-34: The Forgotten Nebula". Astrogirl Astrophotography Observatory.