NGC 602 is a bright open cluster of stars located in the SMC, a satellite galaxy to the Milky Way. Radiation & shock waves from the stars have pushed away much of the lighter surrounding gas & dust that compose the nebula known as
NGC 6188 is an emission nebula located about 4000 ly away in the constellation Ara. The bright open cluster NGC visible to the naked eye, is responsible for a region of reflection nebulosity w/in NGC 6188
The Seahorse of the Large Magellanic Cloud Credit: NASA, ESA, and M. Livio (STScI) Explanation: It may look like a grazing seahorse, but the dark object toward the image right is actually a pillar of smoky dust about 20 light years long.