Tag: Deep-Sky Objects

Back to Article List This stunning planetary nebula has a high surface brightness. The outer shell of the Cat’s Eye ...

In 1958 the great extragalactic astronomer George Abell of UCLA compiled a catalog of galaxy clusters. It was extended by ...

Back to Article List In this new series, Astronomy Editor Dave Eicher will be highlighting a different deep-sky object every ...

The Pleiades (M45) Credit: Warren Keller You know, after decades of pointing optics toward the sky, I consider myself a ...