the-constellation-piscis-austrinus-globular-cluster-m2-and-the-saturn-nebula-ngc-7009https://www.astronomy.com/observing/deep-sky-objects/page/25/Deep-Sky Objects | Page 25 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/Aquarius-1.jpgInStockUSD1.001.00astronomy-for-beginnersdeep-sky-objectsarticleASY2023-05-182015-10-1538262
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.