open-cluster-m47-emission-nebula-ic-410-and-the-running-man-nebula-ngc-1973-5-7https://www.astronomy.com/observing/deep-sky-objects/page/23/Deep-Sky Objects | Page 23 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/Auriga-2.jpgInStockUSD1.001.00deep-sky-objectsarticleASY2023-05-182016-01-1442556
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.