The designation M stands for Messier objects. I understand the history behind how these were identified and cataloged. But what are NGC objects? Where did NGC come from and how is it applied?

Messier 22 has some features that make it stand ... This allowed scientists to precisely determine the positions of the objects above (and many others) and track how they move throughout the ...

March is the start of spring in the Northern Hemisphere; with that, the hunt for Messier objects can begin!

The Eagle Nebula is a young open star cluster situated 7,000 light-years away from Earth, in the constellation Serpens. The aptly named Pillars of Creation, showcased in this breathtaking Hubble image ...