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Bubble Nebula (NGC 6822)
Nebula in Barnard's Galaxy in the constellation Sagittarius / From Wikipedia, the free encyclopedia
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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.
Quick Facts Emission nebula, Observation data: J2000 epoch ...
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] |
See also: Lists of nebulae |
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