Sh 2-34

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]

Right ascension18^h 06^m 24^s

Declination−21° 39′ 00″^[1]

Distance4570 ly   (1400^[2] pc)

Apparent magnitude (V)16.73

Quick facts Nebula, Observation data: J2000 epoch ...

Sharpless 2-34

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
See also: Lists of nebulae

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