Bubble Nebula (NGC 6822)
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 . It includes areas of bright H II region, H II emission. It is located north-west of the larger Ring Nebula (NGC 6822), Hubble 1925 III. See also * Ring Nebula (NGC 6822) Notes References * * * * * External links

* H II regions Sagittarius (constellation) NGC 6822 {{nebula-stub ...
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Ring Nebula (NGC 6822)
The Ring Nebula in Barnard's Galaxy has the official designation of Hubble 1925 III as it was the third (Roman numeral 3) object recorded in Edwin Hubble, Hubble's 1925 paper, ''N.G.C. 6822, A Remote Stellar System''. It includes areas of bright H II region, H II emission. In Paul W. Hodge, Paul W. Hodge's 1977 paper it was designated Hodge 4. Its appearance is very similar to the filamentary nebula found in the Large Magellanic Cloud (see Meaburn 1981). It most resembles the circular ring-like nebula N70 in the LMC. In 1987 this object Hubble III in NGC 6822, was observed with the Manchester Echelle Spectrometer II. See also * Bubble Nebula (NGC 6822) * NGC 6822 References External links Simbad* Clayton, C.A. The Dynamics of the giant ring nebula Hubble III in NGC 6822
, ''Monthly Notices of the Royal Astronomical Society'', vol. 226, May 15, 1987, p. 493-504 H II regions Sagittarius (constellation) NGC 6822 {{nebula-stub ...
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