Trifid Nebula

Messsier Object 20

Trifid Nebula

It’s another clear night sky as I write this – but the Moon is full and it’s not a good time to be …

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, …

Trifid Nebula

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