This constellation pictured here is known as Orion Nebula. In order to find Orion Nebula. you must first find the constellation Orion. In the northern hemisphere during the winter months is when this is seen the easiest. Orion Nebula is easily visible due the three stars that make up Orion's belt. Midway down Orion's Sword you can then find Orion Nebula. Nebulae are described as clouds of interstellar gases and dust. Nebulae are very difficult to see with the naked eye, so it is necessary to use binoculars to find them. Orion Nebula, however, is different from the Nebula because it is visible to the naked eye. Orion Nebula is approximately 1,300 light years away from the Earth. In 2012, astronomers found within Orion Nebula a cluster of stars. They believe that at the center of this cluster contains a black hole. Orion Nebula has four primary stars. Pictures of Orion Nebula normally have a greenish tint with some red and violet colors. 

http://earthsky.org/clusters-nebulae-galaxies/orion-nebula-jewel-in-orions-sword