Sh 2-34
(Redirected from RCW 149)
| Nebula | |
|---|---|
 As seen in 2024 | |
| Observation data: J2000 epoch | |
| Right ascension | 18h 06m 24s |
| Declination | −21° 39′ 00″[1] |
| Distance | 4570 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 |
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
[edit]- ↑ "Sh 2-34". simbad.u-strasbg.fr.
- ↑ "Sh 2-34". galaxymap.org.
- ↑ "Sharpless (Sh2) - Astrobasics". 13 September 2022.
- ↑ "Sh2-34, The Forgotten Nebula". Telescope Live.
- ↑ "Sh2-34: Faint Emission Waves in Aquila". AAPOD2.COM.
- ↑ Miller, Katherine (September 1, 2025). "Sh2-34: The Forgotten Nebula". Astrogirl Astrophotography Observatory.
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