the-double-star-54-leonis-spiral-galaxy-ngc-3198-and-emission-nebula-ngc-3199https://www.astronomy.com/observing/deep-sky-objects/page/22/Deep-Sky Objects | Page 22 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/carina-constellation-1.jpgInStockUSD1.001.00deep-sky-objectsgalaxiesstarsarticleASY2023-05-182016-03-3147288
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.