61-cygni-the-pelican-nebula-ic-5067-and-the-fetus-nebula-ngc-7008https://www.astronomy.com/observing/deep-sky-objects/page/40/Deep-Sky Objects | Page 40 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/stardome330.gifInStockUSD1.001.00deep-sky-objectsstarsarticleASY2023-05-182013-09-1240641
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.