Digital Image: M20 – the Trifid Nebula
This is Messier 20, otherwise known as the Trifid Nebula, a emission / reflection nebula in Sagittarius. The Trifid can be found a couple degrees above the famous Lagoon Nebula. The object is an unusual combination of an open cluster of stars, an emission nebula (the upper, red portion), a reflection nebula (the lower, blue Read More …
