observe-the-virgo-cluster-of-galaxies-this-week-in-astronomy-with-dave-eicherhttps://www.astronomy.com/observing/deep-sky-objects/page/6/Deep-Sky Objects | Page 6 of 50 | 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/2023/04/Markarianschain.jpgInStockUSD1.001.00deep-sky-objectsobservingarticleASY2023-05-182023-03-20123518
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.