the-coalsack-the-blackeye-galaxy-m64-and-planetary-nebula-ic-972https://www.astronomy.com/observing/deep-sky-objects/page/21/Deep-Sky Objects | Page 21 of 49 | Astronomy.comDeep-sky objects are celestial objects that exist outside our solar system. Three major types of deep-sky objects are nebulae, star clusters, and galaxies.https://www.astronomy.com/uploads/2021/09/Coma-Berenices-2.jpgInStockUSD1.001.00deep-sky-objectsgalaxiesarticleASY2023-05-182016-06-1637918
Deep-sky objects are celestial objects that exist outside our solar system. Three major types of deep-sky objects are nebulae, star clusters, and galaxies.