Sh 2-34

Last updated
Sharpless 2-34
Nebula
Sh 2-34.png
As seen in 2024
Observation data: J2000 epoch
Right ascension 18h 06m 24s
Declination −21° 39′ 00″ [1]
Distance4570  ly    (1400 [2]   pc)
Apparent magnitude (V)16.73
Apparent dimensions (V)130' x 40' [3]
Constellation Sagittarius
Physical characteristics
Radius 173 ly
Designations Gum 77, RCW 149, LBN 38
See also: Lists of nebulae

Sh 2-34, also known as the Forgotten Nebula [4] 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

  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.
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