2010-astroimaging-contest-deep-sky-category-entrantshttps://www.astronomy.com/observing/deep-sky-objects/page/48/Deep-Sky Objects | Page 48 of 50 | 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/deep-sky-WINNER-Ruben-Kier.jpgInStockUSD1.001.00deep-sky-objectsobservingarticleASY2023-05-182010-12-0942354
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.