Celestial hemisphere:  Southern  ·  Constellation: Sagittarius (Sgr)  ·  Contains:  7 Sgr  ·  9 Sgr  ·  B296  ·  B89  ·  HD164515  ·  HD164536  ·  HD164537  ·  HD164585  ·  HD164865  ·  HD164906  ·  HD164933  ·  HD164947  ·  HD165052  ·  HD314900  ·  HD314901  ·  HD315024  ·  HD315026  ·  HD315028  ·  HD315031  ·  HD315032  ·  HD315033  ·  LBN 25  ·  LBN 26  ·  Lagoon Nebula  ·  M 8  ·  NGC 6523  ·  NGC 6526  ·  NGC 6530  ·  The star 7 Sgr  ·  The star 9 Sgr
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M8 Lagoon Nebula, Jeff Weiss
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M8 Lagoon Nebula

Getting plate-solving status, please wait...
M8 Lagoon Nebula, Jeff Weiss
Powered byPixInsight

M8 Lagoon Nebula

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This is a 7.5h LRGB closeup image of M8, the Lagoon Nebula (also known as NGC6523).  The data were collected by DeepSkyWest with their CDK17 scope  in Rio Hurtado, Chile, in August-October 2023. 
   The Lagoon Nebula (catalogued as Messier 8 or M8, NGC 6523, Sharpless 25, RCW 146, and Gum 72) is a giant interstellar cloud in the constellationSagittarius. It is classified as an emission nebula and as an H II region. ...The Lagoon Nebula is estimated to be between 4,000–6,000 light-years away from the Earth.The nebula contains a number of Bok globules (dark, collapsing clouds of protostellar material), the most prominent of which have been catalogued by E. E. Barnard as B88, B89 and B296. [Wikipedia]

   I think I can almost see where the Lagoon nickname came from in terms of the apparent dark lagoon surrounding the central, bright atoll.

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M8 Lagoon Nebula, Jeff Weiss