Click on the image for a full resolution version Messier 20 or NGC 6514 is a very popular nebula located in the constellation Sagittarius. It consists of three different kinds of nebulosity: emission nebula, the red nebulosity at the center, reflection nebula, the bright bluish nebulosity around the emission nebula and dark nebulae, the dark … Continue reading M20. TRIFID. NEW IMAGE WITH HIGHER RESOLUTION