how-to-observe-galaxies-2https://www.astronomy.com/observing/deep-sky-objects/page/19/Deep-Sky Objects | Page 19 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/Southernpinwheel.pngInStockUSD1.001.00deep-sky-objectsarticleASY2023-12-062019-02-2244652
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.