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Astrophotography, also known as astronomical imaging, is the photography or imaging of astronomical objects, celestial events, or areas of the night sky. The first photograph of an astronomical object (the Moon) was taken in 1840, but it was not until the late 19th century that advances in technology allowed for detailed stellar photography.
Night photography (also called nighttime photography) refers to the activity of capturing images outdoors between dusk and dawn. Night photographers generally have a choice between using artificial lighting and using a long exposure , exposing the shot for seconds, minutes, or even hours in order to give photosensitive film or an image sensor ...
Star trail photography on salt lake in Lut desert in Iran. A star trail is a type of photograph that uses long exposure times to capture diurnal circles, the apparent motion of stars in the night sky due to Earth's rotation. A star-trail photograph shows individual stars as streaks across the image, with longer exposures yielding longer arcs.
Amateur astronomers watch the night sky during the Perseid meteor shower. Amateur astronomy is a hobby where participants enjoy observing or imaging celestial objects in the sky using the unaided eye, binoculars, or telescopes. Even though scientific research may not be their primary goal, some amateur astronomers make contributions in doing ...
The Milky Way is brighter in the Southern Hemisphere than in the North. (Photo taken at La Silla Observatory) [2]. The fact that the sky is not completely dark at night, even in the absence of moonlight and city lights, can be easily observed, since if the sky were absolutely dark, one would not be able to see the silhouette of an object against the sky.
Long-exposure photography captures one element that conventional photography does not: an extended period of time. The paths of bright moving objects become clearly visible—clouds form broad bands, vehicle lights draw bright streaks, stars leave trails in the sky, and water waves appear smooth. Only bright objects leave visible trails ...
Astronomy is a natural science that studies celestial objects and the phenomena that occur in the cosmos. It uses mathematics, physics, and chemistry in order to explain their origin and their overall evolution. Objects of interest include planets, moons, stars, nebulae, galaxies, meteoroids, asteroids, and comets.
Select a camera.; Find a tripod for the stability of the camera.; Pick a location and time of day. Check the weather for proper attire.; Set up the camera for long exposure.This can be done by setting the ISO value (typically 100 is daylight and 800 is night), as well as the aperture value (usually f/11 for darker days or if the day is really bright, up to f/16).
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