observing-basics-what-messier-missedhttps://www.astronomy.com/observing/deep-sky-objects/Deep-Sky Objects | 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/wp-content/uploads/sites/2/2024/02/ASY-MW0324_02-e1708977259752.jpg?fit=1568%2C1023InStockUSD1.001.00deep-sky-objectsobserving-basicsarticleASY2024-03-042024-03-03141547
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.