lyras-summer-bino-treatshttps://www.astronomy.com/observing/deep-sky-objects/page/21/Deep-Sky Objects | Page 21 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/ScreenShot20161221at2.29.42PM.pngInStockUSD1.001.00deep-sky-objectsobservingarticleASY2023-05-182016-07-0446903
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.