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A celestial map by the Dutch cartographer Frederik de Wit, 1670. A star chart is a celestial map of the night sky with astronomical objects laid out on a grid system. They are used to identify and locate constellations, stars, nebulae, galaxies, and planets. [1]
Hydra is the largest constellation, covering more than 1 ⁄ 32 of the night sky and 19 times the area of Crux, the smallest constellation.. The International Astronomical Union (IAU) designates 88 constellations of stars.
Stargazing apps are brilliant for spotting constellations in the night sky, looking at the planets, identifying stars, and learning about astronomy. Here Are 18 Best Stargazing Apps for Spotting ...
The night sky is the nighttime appearance of celestial objects like stars, planets, and the Moon, which are visible in a clear sky between sunset and sunrise, when the Sun is below the horizon. Natural light sources in a night sky include moonlight , starlight , and airglow , depending on location and timing.
The constellations along the ecliptic are called the zodiac. When explorers mapped the stars of the southern skies, European astronomers proposed new constellations for that region, as well as ones to fill gaps between the traditional constellations. Because of their Roman and European origins, every constellation has a Latin name.
Constellations are groupings of stars as they are viewed, along a line-of-sight at a constant azimuth and elevation in the sky. This category identifies the 88 constellations currently recognised (areas of the sky) by the International Astronomical Union (IAU), plus some further subcategories. For individual stars, see also the category Stars
English: Equirectangular plot of declination vs right ascension of the modern constellations, colour-coded by family and year established, with a dotted line denoting the ecliptic, by CMG Lee. Note that the right ascension axis increases from right to left to approximate the view of the night sky.
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