Through the ETX-90EC several hundred stars are visible. Constellations are large, imaginary patterns of stars believed by ancient civilizations to be the celestial equivalent of objects, animals, people, or gods. These patterns are too large to be seen through a telescope. To learn the constellations, start with an easy grouping of stars, such as the Big Dipper in Ursa Major. Then, use a star chart to explore across the sky.
Galaxies are large assemblies of stars, nebulae, and star clusters that are bound by gravity.
This galaxy appears fuzzy and cigar-shaped. In this way the telescope effectively becomes the lens of the camera. Either of the following photographic mounting formats may be used to couple the camera body to the telescope's photo port thread. Photography through a long lens such as the ETX-90EC requires special technique for good results, and the photographer should probably expect to waste a roll or two of film in acquiring this technique. Moving past this point may damage the telescope and camera.