The Lagoon Nebula of Charles Messier’s “not a comet” list, the Lagoon Nebula is a cloud of ionized hydrogen estimated to be light years from earth. It can be seen with the naked eye as a gray/green patch in the constellation of Sagittarius.
The Lagoon Nebula - in Infrared. The Lagoon Nebula (also known as Messier or NGC is a giant interstellar cloud and emission nebula located in the constellation Sagittarius approximately 5000 light-year from earth.
sci-universe: “ Here’s a new breathtaking view of the Lagoon Nebula. The region is filled with intense winds from hot stars, churning funnels of gas, and energetic star formation, all embedded within an intricate haze of gas and pitch-dark.
The Flaming Star Nebula (IC aka the Flaming Star Nebula surrounds the blue star AE Aurigae and is a reflection/emission nebula in the constellation Auriga at a distance of light-years. This portion of the Flaming Star Nebula spans about 4 light-years.
NGC 3576 (also known as The Statue of Liberty Nebula ESO is a bright emission nebula about 100 light-years across, located some 9000 light-years away in the Sagittarius arm of our Milky Way in the constellation Carina.
IC The Heart. Located in the Perseus arm of the Galaxy in the constellation Cassiopeia, this is an emission nebula showing glowing gas and darker dust lanes, formed by plasma of ionized hydrogen and free electrons.