the-constellation-canis-major-open-cluster-ngc-2169-and-the-dusty-hand-galaxy-ngc-2146https://www.astronomy.com/observing/deep-sky-objects/page/37/Deep-Sky Objects | Page 37 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/Canis-Major-3.jpgInStockUSD1.001.00astronomy-for-beginnersdeep-sky-objectsgalaxiesarticleASY2023-05-182014-01-2339305
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.