M20, a nebula in Sagittarius, is known as the Trifid Nebula. Its nebulosity is a combination of both emission and … More
Tag: NGC 6531
ABOVE US ONLY SKY : amateur astronomy in australia
ABOVE US ONLY SKY : amateur astronomy in australia
M20, a nebula in Sagittarius, is known as the Trifid Nebula. Its nebulosity is a combination of both emission and … More
Cosmic Focus 