NGC 3729 is a barred spiral lying approximately 65 million light-years away, glowing at magnitude 11.0, spanning 2.8’ by 1.8’, and representing a garden-variety barred spiral structure.

Swift X-ray observations of galaxy NGC 5408 indicate its ultraluminous X-ray source undergoes periodic changes every 115.5 days. This cycle, astronomers suspect, is linked to the orbit of a donor ...

Nathan Smith, Jon A. Morse 1, John Bally, Randy L. Phelps, The Mysterious Ring in the Open Cluster NGC 3572: Planetary Nebula or Photoevaporating Globule?, Publications of the Astronomical Society of ...