Observational astronomy is a division of astronomy that is concerned with recording data about the observable universe, the practice and study of observing celestial objects with the use of telescopes
Mayall telescope at Kitt Peak National Observatory
An assembly in Estonia to observe meteors
Overview of types of observational astronomy by observed wavelengths and their observability.
Ultra HD photography taken at La Silla Observatory
Visible-light astronomy encompasses a wide variety of astronomical observation via telescopes that are sensitive in the range of visible light. Visible-light astronomy or optical astronomy differs fro
1858 fresco by Giuseppe Bertini depicting Galileo showing the Doge of Venice how to use the telescope
One of Hubble's most famous images, Pillars of Creation, shows stars forming in the Eagle Nebula (2014 image).