Bubble Nebula (NGC 6822)

For the Bubble Nebula NGC 7635, see NGC 7635.

The Bubble Nebula in Barnard's Galaxy has the official designation of Hubble 1925 I as it was the first (Roman numeral 1) object recorded in a paper by Hubble 1925. It includes areas of bright H II^[1] emission. It is located north-west of the larger Hubble 1925 III.

Bubble Nebula (NGC 6822)

Emission nebula
H II region
The Bubble Nebula (upper left) seen with the Ring Nebula (lower right)
Observation data: J2000 epoch
Right ascension	19h 44m 31.8s[1]
Declination	−14° 41′ 57″[1]
Distance	1.63 ± 0.03 Mly (500 ± 10 kpc)[2][3][4] ly
Apparent magnitude (V)	15[1]
Apparent dimensions (V)	48″ × 32″
Constellation	Sagittarius
Physical characteristics
Radius	~379 ly (116.3 pc) (estimated)[2][3][4] ly
Designations	Hubble 1925 I, Hubble I,[1] MCG -02-50-002,[1] IRAS 19417-1449,[1] Hodge 2, PGC 63596
See also: Lists of nebulae

See also

• Ring Nebula (NGC 6822)