Messier Objects 20 and 21

The Trifid Nebula, M20 and open cluster M21. An attempt to improve on my first image, in black and white, … More

Trifid Nebula

M20, a nebula in Sagittarius, is known as the Trifid Nebula. Its nebulosity is a combination of both emission and … More

M104, a spiral galaxy in Virgo. Also known as NGC 4594, this galaxy is viewed approximately six degrees off its … More