Deep Sky
NGC 6523

Lagoon Nebula
This nebula is approx 5,200 light years from earth.  Discovered by Le Gentil in 1747, then by Messier in on May 23, 1764. A stellar nursery where new stars are being formed from the150 light years wide worth of gas.  
M8 is an active stellar nursery, some of most notable features of the nebula is the filaments of glowing gas and the dark dust clouds.  Near the center, the twisting action is caused by the stellar winds from the starlight.  It is in the constellation of Sagittarius.  This nebula is second only to the Great Orion Nebula (M42).  Its visual magnitued is listed as 6.