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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] They have been used for human navigation since time immemorial. [2]
All stars but one can be associated with an IAU (International Astronomical Union) constellation. IAU constellations are areas of the sky. Although there are only 88 IAU constellations, the sky is actually divided into 89 irregularly shaped boxes as the constellation Serpens is split into two separate sections, Serpens Caput (the snake's head) to the west and Serpens Cauda (the snake's tail ...
The Milky Way as seen from Earth, with prominent dark features labeled in white, as well as prominent star clouds labeled in black. The Great Rift, a series of dark patches in the Milky Way, is most visible in the southern sky. [66] Some cultures have discerned shapes in these patches.
Korean Star Map Stone: c. 17th century-- Korean Star Map: c. 17th century-- Ceramic Ink Sink Cover: c. 17th century: Showing Big Dipper [40] Korean Star Map Cube 方星圖: Philippus Maria Grimardi: c. early 18th century-- Star Chart preserved in Japan based on a book from China 天経或問: You Ziliu 游子六: 1730: A Northern Sky Chart in ...
Sigma Sagittarii (σ Sgr) ("Nunki") is the constellation's second-brightest star at magnitude 2.08. Nunki is a B2V star approximately 260 light-years away. [6] "Nunki" is a Babylonian name of uncertain origin, but thought to represent the sacred Babylonian city of Eridu on the Euphrates, which would make Nunki the oldest star name currently in ...
Vulpecula / v ʌ l ˈ p ɛ k j ʊ l ə / is a faint constellation in the northern sky. Its name is Latin for "little fox", although it is commonly known simply as the fox.It was identified in the seventeenth century, and is located in the middle of the Summer Triangle (an asterism consisting of the bright stars Deneb, Vega, and Altair).
c. 300 BC — star catalog of Timocharis of Alexandria; c. 134 BC — Hipparchus makes a detailed star map; c. 150 — Ptolemy completes his Almagest, which contains a catalog of stars, observations of planetary motions, and treatises on geometry and cosmology; c. 705 — Dunhuang Star Chart, a manuscript star chart from the Mogao Caves at Dunhuang
The following lists of constellations are available: IAU designated constellations – a list of the current, or "modern", constellations; Former constellations – a list of former constellations; Chinese constellations – traditional Chinese astronomy constellations; List of Nakshatras – sectors along the Moon's ecliptic