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Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts.
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]
Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts.
The International Astronomical Union (IAU) designates 88 constellations. [1] In the table below, they are listed by geographical visibility according to latitude as seen from Earth, as well as the best months for viewing the constellations at 21:00 (9 p.m.).
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File:Chamaeleon_constellation_map.png licensed with Cc-by-sa-3.0-migrated, GFDL 2004-12-12T18:01:40Z Alfio 1789x1419 (90176 Bytes) Chamaleon constellation map Uploaded with derivativeFX
The map provides a graphical verification of the star observations, and are part of a series of pictures on one of the Dunhuang manuscripts. The astronomy behind the map is explained in an educational resource posted on the website of the International Dunhuang Project , where much of the research on the map has been done. [ 3 ]
Used red, black and white to differentiate stars from different star maps from Shi Shen, Gan De and Wu Xian - Northern Wei Grave Dome Star Map (河南洛陽北魏墓頂星圖) 526 AD: About 300 stars, including the Big Dipper, some stars are linked by straight lines to form constellation. The Milky Way is also shown. - Water-powered Planetarium