two-bright-double-stars-two-bright-globular-clusters-and-the-box-nebula-ngc-6309https://www.astronomy.com/observing/deep-sky-objects/page/34/Deep-Sky Objects | Page 34 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/ophiuchus-1.jpgInStockUSD1.001.00deep-sky-objectsstarsarticleASY2023-05-182014-07-1738802
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.