(Redirected from deep sky objects)
A modern term used primarily by amateur astronomers.
deep-sky (not comparable)
- (astronomy) Existing outside of the Solar System; relating to that which exists outside of the Solar System.
object in the night sky other than a solar system object, single star or multiple star system
- Deep-sky is not used in reference to stellar objects such as individual stars or binary stars, but it may include large clusters of stars.