APOD

Globular Cluster NGC 6652 (click to embiggen)

Image description:  A dense spherical cluster of stars. The stars merge into a bright core in the center, and spread out to the edges gradually, giving way to an empty, dark background. Most of the stars are small points of light. A few stars with cross-shaped diffraction spikes appear larger, and stand out in front.

The New General Catalogue of Nebulae and Clusters of Stars (abbreviated NGC) is an astronomical catalogue of deep-sky objects. The image above (click on image to embiggen) is the globular cluster NGC 6652. A bit more about that from the European Space Agency: Continue reading “APOD”